What is CVE-2023-29538?

CVE-2023-29538 is a medium-severity vulnerability in Mozilla Firefox, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.3/10. Published 2023-06-02.

How severe is CVE-2023-29538?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Mozilla Firefox

CVE-2023-29538

Under specific circumstances a WebExtension may have received a <code>jar:file:///</code> URI instead of a <code>moz-extension:///</code> URI during a load request. This leaked directory paths on the user's machine. This vulnerability affe…

EPSS: 0.004 (32.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Mozilla Firefox — versions unspecified
Mozilla Firefox For Android — versions unspecified
Mozilla Focus
Mozilla Focus For Android — versions unspecified

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

security@mozilla.org (Vendor Advisory)
security@mozilla.org (Issue Tracking)

Frequently asked questions

What is CVE-2023-29538?: CVE-2023-29538 is a medium-severity vulnerability in Mozilla Firefox, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.3/10. Published 2023-06-02.
How severe is CVE-2023-29538?: Medium severity. CVSS v3 base score is 4.3 out of 10.