Vulnerability CVE-2021-29944: Information

Description

Lack of escaping allowed HTML injection when a webpage was viewed in Reader View. While a Content Security Policy prevents direct code execution, HTML injection is still possible. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 88.

Severity: MEDIUM (6.1) Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

URL: https://nvd.nist.gov/vuln/detail/CVE-2021-29944
Published: June 24, 2021
Modified: July 2, 2021
Error type identifier: CWE-79

Fixed packages

Package name
Branch
Fixed in version
Version from repository
Errata ID
Task #
State
firefoxsisyphus88.0-alt1127.0-alt1ALT-PU-2021-1676-1270325Fixed
firefoxp1088.0-alt1118.0.2-alt0.p10.1ALT-PU-2021-1676-1270325Fixed
firefoxp993.0-alt0.p9.1105.0.1-alt0.c9.1ALT-PU-2022-1782-1288073Fixed
firefoxc10f188.0-alt1112.0.2-alt0.p10.1ALT-PU-2021-1676-1270325Fixed
firefoxc9f293.0-alt0.p9.1105.0.1-alt0.c9.1ALT-PU-2021-3368-1288792Fixed
firefoxp1188.0-alt1126.0.1-alt1ALT-PU-2021-1676-1270325Fixed
firefox-esrsisyphus91.0.1-alt1115.11.0-alt1ALT-PU-2021-2725-1284617Fixed
firefox-esrp1091.1.0-alt1115.11.0-alt1ALT-PU-2021-2881-1284980Fixed
firefox-esrp991.7.0-alt0.p9.1102.11.0-alt0.c9.1ALT-PU-2022-1781-1288073Fixed
firefox-esrc10f191.1.0-alt1115.9.1-alt0.c10.1ALT-PU-2021-2881-1284980Fixed
firefox-esrc9f291.3.0-alt1.c9.1102.12.0-alt0.c9.1ALT-PU-2021-3369-1288792Fixed
firefox-esrp1191.0.1-alt1115.11.0-alt1ALT-PU-2021-2725-1284617Fixed

References to Advisories, Solutions, and Tools

Hyperlink
Resource
https://www.mozilla.org/security/advisories/mfsa2021-16/
  • Release Notes
  • Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1697604
  • Issue Tracking
  • Permissions Required
  • Vendor Advisory

    1. Configuration 1

      cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
      End excliding
      88.0
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