CVEvulnerability
CVE-2020-15676
6.1 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-10-01
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-79
Description
Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove, resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable element. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
Affected configurations
• mozilla firefox (< 81.0)
• mozilla firefox esr (< 78.3)
• mozilla thunderbird (< 78.3)
• debian debian linux 9.0
• debian debian linux 10.0
• opensuse leap 15.1
• opensuse leap 15.2
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html Broken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html Broken Link, Mailing List, Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1646140 Issue Tracking, Permissions Required, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00020.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202010-02 Third Party Advisory
- https://www.debian.org/security/2020/dsa-4770 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-42/ Release Notes, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-43/ Release Notes, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-44/ Release Notes, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00074.html Broken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00077.html Broken Link, Mailing List, Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1646140 Issue Tracking, Permissions Required, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00020.html Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202010-02 Third Party Advisory
- https://www.debian.org/security/2020/dsa-4770 Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-42/ Release Notes, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-43/ Release Notes, Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2020-44/ Release Notes, Vendor Advisory