CVE-2023-29540

6.1 mediumEPSS 0.3%

Medium (6.1) in mozilla. EPSS 0.3% chance of exploitation in the next 30 days.

Using a redirect embedded into <code>sourceMappingUrls</code> could allow for navigation to external protocol links in sandboxed iframes without <code>allow-top-navigation-to-custom-protocols</code>. This vulnerability affects Firefox for Android < 112, Firefox < 112, and Focus for Android < 112.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)
CWE: CWE-601
Published: 2023-06-02
Modified: 2026-08-19
Record from: the NVD, synced 2026-10-19

Affected

mozilla:firefox
mozilla:firefox_mobile
mozilla:focus

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1790542
https://www.mozilla.org/security/advisories/mfsa2023-13/
https://bugzilla.mozilla.org/show_bug.cgi?id=1790542
https://www.mozilla.org/security/advisories/mfsa2023-13/

Check your stack JSON