What’s Vulnerable › Vulnerabilities

CVE-2023-28161

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-02 · updated 2026-06-17
• Weakness: CWE-281

Description

If temporary "one-time" permissions, such as the ability to use the Camera, were granted to a document loaded using a file: URL, that permission persisted in that tab for all other documents loaded from a file: URL. This is potentially dangerous if the local files came from different sources, such as in a download directory. This vulnerability affects Firefox < 111.

Affected products

• Mozilla Firefox: before 111.0 — fixed in 111.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 111.0. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1811181
• https://www.mozilla.org/security/advisories/mfsa2023-09/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1811181
• https://www.mozilla.org/security/advisories/mfsa2023-09/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1811181

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