CVE-2020-15676

 

Published at: - 01-10-2020 09:15

Last modified: - 16-11-2022 04:12

Total changes: - 3

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.

Common Vulnerability Scoring System (CVSS)

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

 

Verification logic

 

Reference

• https://www.mozilla.org/security/advisories/mfsa2020-42/
• https://www.mozilla.org/security/advisories/mfsa2020-43/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1646140
• https://www.mozilla.org/security/advisories/mfsa2020-44/
• DSA-4770-Third Party Advisory
• [debian-lts-announce] 20201016 [SECURITY] [DLA 2408-1] thunderbird security update-Mailing List, Third Party Advisory
• GLSA-202010-02-Third Party Advisory
• openSUSE-SU-2020:1785-Broken Link, Mailing List, Third Party Advisory
• openSUSE-SU-2020:1780-Broken Link, Mailing List, Third Party Advisory

 

Keywords

NVD

 

CVE-2020-15676

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures