GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2023-2318 (GCVE-0-2023-2318)

Vulnerability from cvelistv5 – Published: 2023-08-19 05:43 – Updated: 2024-10-07 19:56
VLAI
Title
MarkText DOM-Based Cross-site Scripting leading to Remote Code Execution
Summary
DOM-based XSS in src/muya/lib/contentState/pasteCtrl.js in MarkText 0.17.1 and before on Windows, Linux and macOS allows arbitrary JavaScript code to run in the context of MarkText main window. This vulnerability can be exploited if a user copies text from a malicious webpage and paste it into MarkText.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-07 19:55 UTC
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
Impacted products
Vendor Product Version CPE status
MarkText MarkText Affected: 0 , ≤ 0.17.1 (git)
guessed Create a notification for this product.
marktext marktext Affected: 0 , ≤ 0.17.1 (git)
    cpe:2.3:a:marktext:marktext:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T06:19:14.891Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://github.com/marktext/marktext/issues/3618"
          },
          {
            "tags": [
              "third-party-advisory",
              "x_transferred"
            ],
            "url": "https://starlabs.sg/advisories/23/23-2318/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:marktext:marktext:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unaffected",
            "product": "marktext",
            "vendor": "marktext",
            "versions": [
              {
                "lessThanOrEqual": "0.17.1",
                "status": "affected",
                "version": "0",
                "versionType": "git"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-2318",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-07T19:55:36.566116Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-07T19:56:42.497Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows",
            "Linux",
            "MacOS"
          ],
          "product": "MarkText",
          "programFiles": [
            "https://github.com/marktext/marktext/blob/b75895cdd1a51638f2e67b222b266ff8b9cb9d69/src/muya/lib/contentState/pasteCtrl.js"
          ],
          "repo": "https://github.com/marktext/marktext",
          "vendor": "MarkText",
          "versions": [
            {
              "lessThanOrEqual": "0.17.1",
              "status": "affected",
              "version": "0",
              "versionType": "git"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Li Jiantao (@CurseRed) of STAR Labs SG Pte. Ltd. (@starlabs_sg)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "DOM-based XSS in src/muya/lib/contentState/pasteCtrl.js in MarkText 0.17.1 and before on Windows, Linux and macOS allows arbitrary JavaScript code to run in the context of MarkText main window. This vulnerability can be exploited if a user copies text from a malicious webpage and paste it into MarkText."
            }
          ],
          "value": "DOM-based XSS in src/muya/lib/contentState/pasteCtrl.js in MarkText 0.17.1 and before on Windows, Linux and macOS allows arbitrary JavaScript code to run in the context of MarkText main window. This vulnerability can be exploited if a user copies text from a malicious webpage and paste it into MarkText."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-588",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-588 DOM-Based XSS"
            }
          ]
        },
        {
          "capecId": "CAPEC-549",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-549 Local Execution of Code"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-08-19T05:43:56.387Z",
        "orgId": "b1571b85-cbc9-431f-830b-0c8155323a69",
        "shortName": "STAR_Labs"
      },
      "references": [
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/marktext/marktext/issues/3618"
        },
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://starlabs.sg/advisories/23/23-2318/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "MarkText DOM-Based Cross-site Scripting leading to Remote Code Execution",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b1571b85-cbc9-431f-830b-0c8155323a69",
    "assignerShortName": "STAR_Labs",
    "cveId": "CVE-2023-2318",
    "datePublished": "2023-08-19T05:43:56.387Z",
    "dateReserved": "2023-04-27T04:51:16.289Z",
    "dateUpdated": "2024-10-07T19:56:42.497Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-2318",
      "date": "2026-09-20",
      "epss": "0.00538",
      "percentile": "0.4419"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "platforms": [
                  "Windows",
                  "Linux",
                  "MacOS"
                ],
                "product": "MarkText",
                "programFiles": [
                  "https://github.com/marktext/marktext/blob/b75895cdd1a51638f2e67b222b266ff8b9cb9d69/src/muya/lib/contentState/pasteCtrl.js"
                ],
                "repo": "https://github.com/marktext/marktext",
                "vendor": "MarkText",
                "versions": [
                  {
                    "lessThanOrEqual": "0.17.1",
                    "status": "affected",
                    "version": "0",
                    "versionType": "git"
                  }
                ]
              }
            ],
            "source": "info@starlabs.sg"
          },
          {
            "affectedData": [
              {
                "cpes": [
                  "cpe:2.3:a:marktext:marktext:*:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unaffected",
                "product": "marktext",
                "vendor": "marktext",
                "versions": [
                  {
                    "lessThanOrEqual": "0.17.1",
                    "status": "affected",
                    "version": "0",
                    "versionType": "git"
                  }
                ]
              }
            ],
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:marktext:marktext:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "AB68239C-90DB-4BD3-AF7E-5A79E97A7093",
                    "versionEndIncluding": "0.17.1",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              },
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "387021A0-AF36-463C-A605-32EA7DAC172E",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "703AF700-7A70-47E2-BC3A-7FD03B3CA9C1",
                    "vulnerable": false
                  },
                  {
                    "criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA",
                    "vulnerable": false
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ],
            "operator": "AND"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "DOM-based XSS in src/muya/lib/contentState/pasteCtrl.js in MarkText 0.17.1 and before on Windows, Linux and macOS allows arbitrary JavaScript code to run in the context of MarkText main window. This vulnerability can be exploited if a user copies text from a malicious webpage and paste it into MarkText."
          },
          {
            "lang": "es",
            "value": "Cross-Site Scripting (XSS) basado en DOM en src/muya/lib/contentState/pasteCtrl.js de MarkText 0.17.1. y anteriores en Windows, Linux y macOS permite ejecutar c\u00f3digo JavaScript arbitrario en el contexto de la ventana principal de MarkText. Esta vulnerabilidad puede explotarse si un usuario copia texto de una p\u00e1gina web maliciosa y lo pega en MarkText. "
          }
        ],
        "id": "CVE-2023-2318",
        "lastModified": "2026-06-17T05:52:16.343",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 8.6,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 6.0,
              "source": "info@starlabs.sg",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.6,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 2.8,
              "impactScore": 6.0,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2023-2318",
                "options": [
                  {
                    "exploitation": "poc"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-07T19:55:36.566116Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2023-08-19T06:15:46.883",
        "references": [
          {
            "source": "info@starlabs.sg",
            "tags": [
              "Exploit",
              "Issue Tracking"
            ],
            "url": "https://github.com/marktext/marktext/issues/3618"
          },
          {
            "source": "info@starlabs.sg",
            "tags": [
              "Exploit",
              "Third Party Advisory"
            ],
            "url": "https://starlabs.sg/advisories/23/23-2318/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Issue Tracking"
            ],
            "url": "https://github.com/marktext/marktext/issues/3618"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Third Party Advisory"
            ],
            "url": "https://starlabs.sg/advisories/23/23-2318/"
          }
        ],
        "sourceIdentifier": "info@starlabs.sg",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-79"
              }
            ],
            "source": "info@starlabs.sg",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-79"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-05-28T22:39:27+00:00",
      "cve": "CVE-2023-2318",
      "id": "CVE-2023-2318",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "MarkText DOM-Based Cross-site Scripting leading to Remote Code Execution",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-2318.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-02T06:19:14.891Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "issue-tracking",
                  "x_transferred"
                ],
                "url": "https://github.com/marktext/marktext/issues/3618"
              },
              {
                "tags": [
                  "third-party-advisory",
                  "x_transferred"
                ],
                "url": "https://starlabs.sg/advisories/23/23-2318/"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "affected": [
              {
                "cpes": [
                  "cpe:2.3:a:marktext:marktext:*:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unaffected",
                "product": "marktext",
                "vendor": "marktext",
                "versions": [
                  {
                    "lessThanOrEqual": "0.17.1",
                    "status": "affected",
                    "version": "0",
                    "versionType": "git"
                  }
                ]
              }
            ],
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-2318",
                    "options": [
                      {
                        "Exploitation": "poc"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-10-07T19:55:36.566116Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-10-07T19:56:37.328Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "platforms": [
                "Windows",
                "Linux",
                "MacOS"
              ],
              "product": "MarkText",
              "programFiles": [
                "https://github.com/marktext/marktext/blob/b75895cdd1a51638f2e67b222b266ff8b9cb9d69/src/muya/lib/contentState/pasteCtrl.js"
              ],
              "repo": "https://github.com/marktext/marktext",
              "vendor": "MarkText",
              "versions": [
                {
                  "lessThanOrEqual": "0.17.1",
                  "status": "affected",
                  "version": "0",
                  "versionType": "git"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "user": "00000000-0000-4000-9000-000000000000",
              "value": "Li Jiantao (@CurseRed) of STAR Labs SG Pte. Ltd. (@starlabs_sg)"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "DOM-based XSS in src/muya/lib/contentState/pasteCtrl.js in MarkText 0.17.1 and before on Windows, Linux and macOS allows arbitrary JavaScript code to run in the context of MarkText main window. This vulnerability can be exploited if a user copies text from a malicious webpage and paste it into MarkText."
                }
              ],
              "value": "DOM-based XSS in src/muya/lib/contentState/pasteCtrl.js in MarkText 0.17.1 and before on Windows, Linux and macOS allows arbitrary JavaScript code to run in the context of MarkText main window. This vulnerability can be exploited if a user copies text from a malicious webpage and paste it into MarkText."
            }
          ],
          "impacts": [
            {
              "capecId": "CAPEC-588",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-588 DOM-Based XSS"
                }
              ]
            },
            {
              "capecId": "CAPEC-549",
              "descriptions": [
                {
                  "lang": "en",
                  "value": "CAPEC-549 Local Execution of Code"
                }
              ]
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 8.6,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
                "version": "3.1"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-79",
                  "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-08-19T05:43:56.387Z",
            "orgId": "b1571b85-cbc9-431f-830b-0c8155323a69",
            "shortName": "STAR_Labs"
          },
          "references": [
            {
              "tags": [
                "issue-tracking"
              ],
              "url": "https://github.com/marktext/marktext/issues/3618"
            },
            {
              "tags": [
                "third-party-advisory"
              ],
              "url": "https://starlabs.sg/advisories/23/23-2318/"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "MarkText DOM-Based Cross-site Scripting leading to Remote Code Execution",
          "x_generator": {
            "engine": "Vulnogram 0.1.0-dev"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "b1571b85-cbc9-431f-830b-0c8155323a69",
        "assignerShortName": "STAR_Labs",
        "cveId": "CVE-2023-2318",
        "datePublished": "2023-08-19T05:43:56.387Z",
        "dateReserved": "2023-04-27T04:51:16.289Z",
        "dateUpdated": "2024-10-07T19:56:42.497Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…