gsd-2021-23980
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the keyword argument strip_comments=False Note: none of the above tags are in the default allowed tags and strip_comments defaults to True.
Aliases
Aliases
CVE-2021-23980


To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-23980",
    "id": "GSD-2021-23980",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-23980.html",
      "https://www.debian.org/security/2021/dsa-4892",
      "https://access.redhat.com/errata/RHSA-2021:0781",
      "https://advisories.mageia.org/CVE-2021-23980.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-23980"
      ],
      "details": "A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the keyword argument strip_comments=False Note: none of the above tags are in the default allowed tags and strip_comments defaults to True.",
      "id": "GSD-2021-23980",
      "modified": "2023-12-13T01:23:30.411741Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@mozilla.org",
        "ID": "CVE-2021-23980",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Mozilla Bleach",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "3.3.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Mozilla"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the keyword argument strip_comments=False Note: none of the above tags are in the default allowed tags and strip_comments defaults to True."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": " mutation XSS via allowed math or svg; p or br; and style, title, noscript, script, textarea, noframes, iframe, or xmp tags with strip_comments=False"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/mozilla/bleach/security/advisories/GHSA-vv2x-vrpj-qqpq",
            "refsource": "MISC",
            "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-vv2x-vrpj-qqpq"
          },
          {
            "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2021-23980",
            "refsource": "MISC",
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2021-23980"
          }
        ]
      },
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c3.3.0",
          "affected_versions": "All versions before 3.3.0",
          "cwe_ids": [
            "CWE-1035",
            "CWE-79",
            "CWE-937"
          ],
          "date": "2021-09-28",
          "description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) in bleach.",
          "fixed_versions": [
            "3.3.0"
          ],
          "identifier": "GMS-2021-168",
          "identifiers": [
            "GHSA-vv2x-vrpj-qqpq",
            "GMS-2021-168",
            "CVE-2021-23980"
          ],
          "not_impacted": "All versions starting from 3.3.0",
          "package_slug": "pypi/bleach",
          "pubdate": "2021-02-02",
          "solution": "Upgrade to version 3.3.0 or above.",
          "title": "Improper Neutralization of Input During Web Page Generation ",
          "urls": [
            "https://github.com/mozilla/bleach/security/advisories/GHSA-vv2x-vrpj-qqpq",
            "https://github.com/mozilla/bleach/commit/79b7a3c5e56a09d1d323a5006afa59b56162eb13",
            "https://bugzilla.mozilla.org/show_bug.cgi?id=1689399",
            "https://cure53.de/fp170.pdf",
            "https://github.com/mozilla/bleach/blob/79b7a3c5e56a09d1d323a5006afa59b56162eb13/CHANGES#L4",
            "https://pypi.org/project/bleach/",
            "https://github.com/advisories/GHSA-vv2x-vrpj-qqpq"
          ],
          "uuid": "86216397-7c39-47f4-9ca1-15b34d024c38"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:mozilla:bleach:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.3.0",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@mozilla.org",
          "ID": "CVE-2021-23980"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the keyword argument strip_comments=False Note: none of the above tags are in the default allowed tags and strip_comments defaults to True."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-79"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2021-23980",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Issue Tracking"
              ],
              "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=CVE-2021-23980"
            },
            {
              "name": "https://github.com/mozilla/bleach/security/advisories/GHSA-vv2x-vrpj-qqpq",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://github.com/mozilla/bleach/security/advisories/GHSA-vv2x-vrpj-qqpq"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 2.7
        }
      },
      "lastModifiedDate": "2023-02-27T15:19Z",
      "publishedDate": "2023-02-16T22:15Z"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.