Vulnerability-Lookup

PYSEC-2026-620

Vulnerability from pysec - Published: 2026-07-02 14:13 - Updated: 2026-07-06 07:36

Details

calibre-web is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Severity

5.4 (Medium)


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

Impacted products

Name	purl
calibreweb	pkg:pypi/calibreweb

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "calibreweb",
        "purl": "pkg:pypi/calibreweb"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.15"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.6.12",
        "0.6.13",
        "0.6.14"
      ]
    }
  ],
  "aliases": [
    "CVE-2021-4170",
    "GHSA-wrp6-9w7f-3wxg"
  ],
  "details": "calibre-web is vulnerable to Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
  "id": "PYSEC-2026-620",
  "modified": "2026-07-06T07:36:23.727950Z",
  "published": "2026-07-02T14:13:14.959672Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4170"
    },
    {
      "type": "WEB",
      "url": "https://github.com/janeczku/calibre-web/commit/7ad419dc8c12180e842a82118f4866ac3d074bc5"
    },
    {
      "type": "WEB",
      "url": "https://github.com/janeczku/calibre-web"
    },
    {
      "type": "WEB",
      "url": "https://huntr.dev/bounties/ff395101-e392-401d-ab4f-579c63fbf6a0"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/calibreweb"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-wrp6-9w7f-3wxg"
    }
  ],
  "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": "calibre-web is vulnerable to Cross-site Scripting"
}

CVE-2021-4170 (GCVE-0-2021-4170)

Vulnerability from cvelistv5 – Published: 2022-01-16 20:55 – Updated: 2024-08-03 17:16

Title

Cross-site Scripting (XSS) - Stored in janeczku/calibre-web

Summary

calibre-web is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Severity

7.3 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

CWE

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

Assigner

@huntrdev

References

2 references

URL	Tags
https://huntr.dev/bounties/ff395101-e392-401d-ab4…	x_refsource_CONFIRM
https://github.com/janeczku/calibre-web/commit/7a…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
janeczku	janeczku/calibre-web	Affected: unspecified , < 0.6.15 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:16:04.234Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/ff395101-e392-401d-ab4f-579c63fbf6a0"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/janeczku/calibre-web/commit/7ad419dc8c12180e842a82118f4866ac3d074bc5"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "janeczku/calibre-web",
          "vendor": "janeczku",
          "versions": [
            {
              "lessThan": "0.6.15",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "calibre-web is vulnerable to Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.0"
          }
        }
      ],
      "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": "2022-01-16T20:55:09.000Z",
        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
        "shortName": "@huntrdev"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://huntr.dev/bounties/ff395101-e392-401d-ab4f-579c63fbf6a0"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/janeczku/calibre-web/commit/7ad419dc8c12180e842a82118f4866ac3d074bc5"
        }
      ],
      "source": {
        "advisory": "ff395101-e392-401d-ab4f-579c63fbf6a0",
        "discovery": "EXTERNAL"
      },
      "title": "Cross-site Scripting (XSS) - Stored in janeczku/calibre-web",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@huntr.dev",
          "ID": "CVE-2021-4170",
          "STATE": "PUBLIC",
          "TITLE": "Cross-site Scripting (XSS) - Stored in janeczku/calibre-web"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "janeczku/calibre-web",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "0.6.15"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "janeczku"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "calibre-web is vulnerable to Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://huntr.dev/bounties/ff395101-e392-401d-ab4f-579c63fbf6a0",
              "refsource": "CONFIRM",
              "url": "https://huntr.dev/bounties/ff395101-e392-401d-ab4f-579c63fbf6a0"
            },
            {
              "name": "https://github.com/janeczku/calibre-web/commit/7ad419dc8c12180e842a82118f4866ac3d074bc5",
              "refsource": "MISC",
              "url": "https://github.com/janeczku/calibre-web/commit/7ad419dc8c12180e842a82118f4866ac3d074bc5"
            }
          ]
        },
        "source": {
          "advisory": "ff395101-e392-401d-ab4f-579c63fbf6a0",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
    "assignerShortName": "@huntrdev",
    "cveId": "CVE-2021-4170",
    "datePublished": "2022-01-16T20:55:10.000Z",
    "dateReserved": "2021-12-25T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:16:04.234Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

GHSA-WRP6-9W7F-3WXG

Vulnerability from github – Published: 2022-01-21 23:55 – Updated: 2024-11-19 16:15

Summary

calibre-web is vulnerable to Cross-site Scripting

Details

calibre-web is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "calibreweb"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.6.15"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-4170"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-01-18T22:52:28Z",
    "nvd_published_at": "2022-01-16T21:15:00Z",
    "severity": "MODERATE"
  },
  "details": "calibre-web is vulnerable to Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
  "id": "GHSA-wrp6-9w7f-3wxg",
  "modified": "2024-11-19T16:15:10Z",
  "published": "2022-01-21T23:55:34Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4170"
    },
    {
      "type": "WEB",
      "url": "https://github.com/janeczku/calibre-web/commit/7ad419dc8c12180e842a82118f4866ac3d074bc5"
    },
    {
      "type": "WEB",
      "url": "https://github.com/janeczku/calibre-web"
    },
    {
      "type": "WEB",
      "url": "https://huntr.dev/bounties/ff395101-e392-401d-ab4f-579c63fbf6a0"
    }
  ],
  "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": "calibre-web is vulnerable to Cross-site Scripting"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

PYSEC-2026-620

CVE-2021-4170 (GCVE-0-2021-4170)

GHSA-WRP6-9W7F-3WXG

Tags

Sightings

Nomenclature