CVE-2026-8948 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	9.1 CRITICAL	NETWORK	LOW	NONE	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Base Score

CVSS 3.x

EPSS Score

Percentile: 33%

Affected Products (NVD)

Vendor	Product	Version
mozilla	firefox	𝑥 < 151.0.0
mozilla	thunderbird	𝑥 < 151.0.0

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

firefox

sid	152.0.4-1 fixed

Common Weakness Enumeration

CWE-942 - Permissive Cross-domain Policy with Untrusted Domains
The software uses a cross-domain policy file that includes domains that should not be trusted.
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2038803

https://www.mozilla.org/security/advisories/mfsa2026-46/

https://www.mozilla.org/security/advisories/mfsa2026-50/

https://access.redhat.com/security/cve/CVE-2026-8948

https://bugzilla.redhat.com/show_bug.cgi?id=2479850

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8948.json