Vulnerability · Published Dec 22, 2022 · Assigned by mozilla

CVE-2022-22755

High 8.8

In plain English

A high-severity security flaw in Firefox from Mozilla. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 49.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

By using XSL Transforms, a malicious webserver could have served a user an XSL document that would continue to execute JavaScript (within the bounds of the same-origin policy) even after the tab was closed. This vulnerability affects Firefox < 97.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20firefox97.0-r0ALPINE-CVE-2022-22755
Alpine:v3.21firefox97.0-r0ALPINE-CVE-2022-22755
Alpine:v3.22firefox97.0-r0ALPINE-CVE-2022-22755
Alpine:v3.23firefox97.0-r0ALPINE-CVE-2022-22755
Alpine:v3.21librewolf97.0-r0ALPINE-CVE-2022-22755
Alpine:v3.22librewolf97.0-r0ALPINE-CVE-2022-22755
Alpine:v3.23librewolf97.0-r0ALPINE-CVE-2022-22755
Alpine:v3.24librewolf97.0-r0ALPINE-CVE-2022-22755
Ubuntu:22.04:LTSfirefox97.0+build2-0ubuntu1UBUNTU-CVE-2022-22755

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 97

Weakness: CWE-672 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References