Vulnerability · Published Dec 19, 2023 · Assigned by mozilla

CVE-2023-6869

Medium 6.5

In plain English

A medium-severity security flaw in Firefox from Mozilla. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.6%top 53.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A `&lt;dialog>` element could have been manipulated to paint content outside of a sandboxed iframe. This could allow untrusted content to display under the guise of trusted content. This vulnerability affects Firefox < 121.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSmozjs102no fix listedUBUNTU-CVE-2023-6869
Ubuntu:24.04:LTSmozjs102no fix listedUBUNTU-CVE-2023-6869
Ubuntu:22.04:LTSmozjs78no fix listedUBUNTU-CVE-2023-6869
Ubuntu:22.04:LTSmozjs91no fix listedUBUNTU-CVE-2023-6869

Affected products (as reported)

VendorProductVersions
Mozilla Firefox unspecified – before 121

References