Description (CNA)
An attacker was able to bypass the `connect-src` directive of a Content Security Policy by manipulating subdocuments. This would have also hidden the connections from the Network tab in Devtools. This vulnerability was fixed in Firefox 140 and Thunderbird 140.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Mozilla / Firefox | unaffected 140 through * |
| Mozilla / Thunderbird | unaffected 140 through * |
CWE
No CWE identifiers supplied.
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1966927
- https://www.mozilla.org/security/advisories/mfsa2025-51/
- https://www.mozilla.org/security/advisories/mfsa2025-54/
ADP enrichment
No English description supplied.
No references supplied.