What is CVE-2022-22755?

CVE-2022-22755 is a high-severity vulnerability in Mozilla Firefox, classified under Operation on a Resource after Expiration or Release. CVSS score: 8.8/10. Published 2022-12-22.

How severe is CVE-2022-22755?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Mozilla Firefox

CVE-2022-22755

By using XSL Transforms, a malicious webserver could have served a user an XSL document that would continue to execute JavaScript (within the bounds of the same-origin policy) even after the tab was closed. This vulnerability affects Firef…

EPSS: 0.006 (44.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Mozilla Firefox — versions unspecified

Weakness classification (CWE)

CWE-672 — Operation on a Resource after Expiration or Release

References

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

Frequently asked questions

What is CVE-2022-22755?: CVE-2022-22755 is a high-severity vulnerability in Mozilla Firefox, classified under Operation on a Resource after Expiration or Release. CVSS score: 8.8/10. Published 2022-12-22.
How severe is CVE-2022-22755?: High severity. CVSS v3 base score is 8.8 out of 10.