Vulnerability-Lookup

CVE-2023-1776 (GCVE-0-2023-1776)

Vulnerability from cvelistv5 – Published: 2023-03-31 11:29 – Updated: 2024-12-06 23:05

Title

Stored XSS via SVG attachment on Boards

Summary

Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file.

Severity

7.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-12-06 22:55 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

Mattermost CNA under the mitre root

CNA scorecard B 80/100 over 123 records in the last 180 days details

References

1 reference

URL	Tags
https://mattermost.com/security-updates/

Impacted products

1 product

Vendor	Product	Version	CPE status
Mattermost	Mattermost	Affected: 3.3.0 , ≤ 7.7.1 (semver) Affected: 3.3.0 , ≤ 7.1.5 (semver) Affected: 3.3.0 , < 7.8.0 (semver) Unaffected: 7.8.0 Unaffected: 7.7.2 Unaffected: 7.1.6	guessed

Credits

Veshraj Ghimire (ghimire_veshraj)

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2023-1776

Vulnerability from fkie_nvd - Published: 2023-03-31 12:15 - Updated: 2026-06-17 05:28

Severity

7.3 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Summary

Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file.

References

	URL	Tags
	responsibledisclosure@mattermost.com	https://mattermost.com/security-updates/	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://mattermost.com/security-updates/	Vendor Advisory

Impacted products

	Vendor	Product	Version
	mattermost	mattermost_server	*
	mattermost	mattermost_server	7.7.1

JSON

To clipboard

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          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-1776",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-12-06T22:55:49.006699Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-03-31T12:15:06.750",
  "references": [
    {
      "source": "responsibledisclosure@mattermost.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://mattermost.com/security-updates/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://mattermost.com/security-updates/"
    }
  ],
  "sourceIdentifier": "responsibledisclosure@mattermost.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "responsibledisclosure@mattermost.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-63F2-6959-2PXJ

Vulnerability from github – Published: 2023-03-31 12:30 – Updated: 2023-04-07 21:09

Summary

Mattermost vulnerable to cross-site scripting (XSS)

Details

Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file.

Issue Identifier: MMSA-2023-00139

Severity

5.4 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 6.7.2"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server/v6"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.0.0"
            },
            {
              "fixed": "7.1.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 7.7.1"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.7.0"
            },
            {
              "fixed": "7.7.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 7.1.5"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.1.0"
            },
            {
              "fixed": "7.1.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.8.0"
            },
            {
              "fixed": "7.8.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "7.8.0"
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 5.39.3"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server/v5"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.0.0"
            },
            {
              "fixed": "7.1.6"
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          ],
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      "database_specific": {
        "last_known_affected_version_range": "\u003c= 4.10.10"
      },
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        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost-server/v6"
      },
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            },
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              "fixed": "7.1.6"
            }
          ],
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        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-1776"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-04-07T21:09:25Z",
    "nvd_published_at": "2023-03-31T12:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file. \n\n[Issue Identifier](https://mattermost.com/security-updates/): MMSA-2023-00139",
  "id": "GHSA-63f2-6959-2pxj",
  "modified": "2023-04-07T21:09:25Z",
  "published": "2023-03-31T12:30:16Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-1776"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mattermost/mattermost-server"
    },
    {
      "type": "WEB",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Mattermost vulnerable to cross-site scripting (XSS)"
}

GSD-2023-1776

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file.

Aliases

CVE-2023-1776

Aliases

CVE-2023-1776

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-1776",
    "id": "GSD-2023-1776"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-1776"
      ],
      "details": "Boards in Mattermost allows an attacker to upload a malicious SVG image file as an attachment to a card and share it using a direct link to the file.",
      "id": "GSD-2023-1776",
      "modified": "2023-12-13T01:20:41.422246Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "responsibledisclosure@mattermost.com",
        "ID": "CVE-2023-1776",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Mattermost",
                    "version": {
                      "version_data": [
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                          "version_value": "not down converted",
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                            "defaultStatus": "unaffected",
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                                "version": "3.3.0",
                                "versionType": "semver"
                              },
                              {
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                              },
                              {
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                                "status": "affected",
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      ],
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      },
      "impact": {
        "cvss": [
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            "attackComplexity": "LOW",
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            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.1"
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              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
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            "refsource": "MISC",
            "url": "https://mattermost.com/security-updates/"
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      "solution": [
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              "base64": false,
              "type": "text/html",
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            }
          ],
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        }
      ],
      "source": {
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          "https://mattermost.atlassian.net/browse/MM-50167"
        ],
        "discovery": "EXTERNAL"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003e=7.1.0 \u003c=7.1.5||\u003e=7.7.0 \u003c=7.7.1||=7.8.0",
          "affected_versions": "All versions starting from 7.1.0 up to 7.1.5, all versions starting from 7.7.0 up to 7.7.1, version 7.8.0",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
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            "CWE-79",
            "CWE-937"
          ],
          "date": "2023-04-07",
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          "identifiers": [
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          ],
          "not_impacted": "All versions before 7.1.0, all versions after 7.1.5 before 7.7.0, all versions after 7.7.1 before 7.8.0, all versions after 7.8.0",
          "package_slug": "go/github.com/mattermost/mattermost-server",
          "pubdate": "2023-03-31",
          "solution": "Upgrade to versions 7.1.6, 7.7.2, 7.8.1 or above.",
          "title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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          ],
          "uuid": "7b17e26c-b242-4d6b-9a71-c3f90ad04517"
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        {
          "affected_range": "\u003e=5.0.0 \u003c=5.39.3",
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      ]
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    "nvd.nist.gov": {
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}

WID-SEC-W-2023-0545

Vulnerability from csaf_certbund - Published: 2023-03-01 23:00 - Updated: 2023-04-02 22:00

Summary

Mattermost: Mehrere Schwachstellen

Severity

Mittel

Scope

4 vulnerabilities in this advisory, including CVE-2023-1776.

CVE-2023-1776

In Mattermost existiert eine Cross-Site Scripting Schwachstelle. HTML und Script-Eingaben werden in Boards nicht ordnungsgemäß überprüft, bevor sie an den Benutzer zurückgegeben werden. Ein entfernter, authentisierter Angreifer kann durch Ausnutzung dieser Schwachstelle beliebigen HTML- und Script-Code durch den Browser des Benutzers im Kontext der betroffenen Seite ausführen. Zur erfolgreichen Ausnutzung ist eine Benutzeraktion erforderlich.

Open the full advisory

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.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

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CVE-2023-1776 (GCVE-0-2023-1776)

FKIE_CVE-2023-1776

GHSA-63F2-6959-2PXJ

GSD-2023-1776

WID-SEC-W-2023-0545

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