What is CVE-2024-26282?

CVE-2024-26282 is a high-severity vulnerability in Mozilla Firefox, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 7.1/10. Published 2024-02-22.

How severe is CVE-2024-26282?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2024-26282 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Mozilla Firefox

CVE-2024-26282

Using an AMP url with a canonical element, an attacker could have executed JavaScript from an opened bookmarked page. This vulnerability affects Firefox for iOS < 123.

EPSS: 0.003 (25.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N.

Affected products

Mozilla Firefox
Mozilla Firefox For Ios — versions unspecified

Weakness classification (CWE)

CWE-80 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

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

Frequently asked questions

What is CVE-2024-26282?: CVE-2024-26282 is a high-severity vulnerability in Mozilla Firefox, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 7.1/10. Published 2024-02-22.
How severe is CVE-2024-26282?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2024-26282 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.