CVE-2021-23974

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2021-23974
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-02-26 02:15:00 UTC
Updated2022-05-23 19:07:00 UTC
DescriptionThe DOMParser API did not properly process '<noscript>' elements for escaping. This could be used as an mXSS vector to bypass an HTML Sanitizer. This vulnerability affects Firefox < 86.

Risk And Classification

Problem Types: NVD-CWE-noinfo

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mozilla Firefox All All All All
Application Mozilla Firefox All All All All

References

ReferenceSourceLinkTags
Bug List MISC bugzilla.mozilla.org Broken Link
Mozilla Firefox: Multiple vulnerabilities (GLSA 202104-10) — Gentoo security GENTOO security.gentoo.org
Security Vulnerabilities fixed in Firefox 86 — Mozilla MISC www.mozilla.org Release Notes, Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 501555 Alpine Linux Security Update for firefox
  • 503846 Alpine Linux Security Update for firefox
  • 630669 Mozilla Firefox for Android and iOS Multiple Vulnerabilities (MFSA2021-07)
  • 710020 Gentoo Linux Mozilla Firefox Multiple Vulnerabilities (GLSA 202104-10)
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report