What’s Vulnerable › Vulnerabilities

CVE-2022-28283

• Severity: medium (CVSS 6.5 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: yes
• Published: 2022-12-22 · updated 2026-06-17
• Weakness: CWE-552

Description

The sourceMapURL feature in devtools was missing security checks that would have allowed a webpage to attempt to include local files or other files that should have been inaccessible. This vulnerability affects Firefox < 99.

Affected products

• Mozilla Firefox: before 99.0 — fixed in 99.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 99.0. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1754066
• https://www.mozilla.org/security/advisories/mfsa2022-13/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1754066
• https://www.mozilla.org/security/advisories/mfsa2022-13/

Get alerted when CVE-2022-28283 or the next vulnerability affects your stack