CVE-2022-31744 — Cross-site Scripting in Mozilla Firefox

CWE-79 — Cross-site ScriptingCWE-863 — Incorrect Authorization12 documents8 sources
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 79.86%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird
Timeline
PublishedDec 22

Description

An attacker could have injected CSS into stylesheets accessible via internal URIs, such as resource:, and in doing so bypass a page's Content Security Policy. This vulnerability affects Firefox ESR < 91.11, Thunderbird < 102, Thunderbird < 91.11, and Firefox < 101.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages8 packages

▶CVEListV5mozilla/firefoxunspecified — 101
▶NVDmozilla/firefox< 101.0
▶CVEListV5mozilla/firefox_esrunspecified — 91.11
▶CVEListV5mozilla/thunderbirdunspecified — 102+1
▶NVDmozilla/firefox_esr< 91.11

🔴Vulnerability Details

4
OSV
CVE-2022-31744: An attacker could have injected CSS into stylesheets accessible via internal URIs, such as resource:, and in doing so bypass a page's Content Security↗2022-12-22
▶
GHSA
GHSA-p5h8-cwcq-q5g2: An attacker could have injected CSS into stylesheets accessible via internal URIs, such as resource:, and in doing so bypass a page's Content Security↗2022-12-22
▶
CVEList
CVE-2022-31744: An attacker could have injected CSS into stylesheets accessible via internal URIs, such as resource:, and in doing so bypass a page's Content Security↗2022-12-22
▶
OSV
thunderbird vulnerabilities↗2022-07-14
▶

📋Vendor Advisories

7
Ubuntu
Thunderbird vulnerabilities↗2022-07-14
▶
Red Hat
Mozilla: CSP bypass enabling stylesheet injection↗2022-06-28
▶
Ubuntu
Firefox vulnerabilities↗2022-06-13
▶
Debian
CVE-2022-31744: firefox - An attacker could have injected CSS into stylesheets accessible via internal URI...↗2022
▶
Mozilla
Mozilla Foundation Security Advisory 2022-25: CVE-2022-31744↗
▶
CVE-2022-31744 — Cross-site Scripting in Mozilla | cvebase