CVE-2022-28284

Name: CVE-2022-28284
Creator: NVD / NIST
Published: 2022-12-22T20:15:24.01+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2022-28284 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. SVG's <code><use></code> element could have been used to load unexpected content that could have executed script in certain circumstances. While the specification seems to allow this, other browsers do not, and web developers relied on this property for script security so gecko's implementation was aligned with theirs. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

SVG's <code><use></code> element could have been used to load unexpected content that could have executed script in certain circumstances. While the specification seems to allow this, other browsers do not, and web developers relied on this property for script security so gecko's implementation was aligned with theirs. This vulnerability affects Firefox < 99.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.55%

41.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-116

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 99.0

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1754522Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-13/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1754522Issue Tracking, Permissions Required, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-13/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1754522Issue Tracking, Permissions Required, Vendor Advisory

Timeline

Published: Dec 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-28284?

How severe is CVE-2022-28284?

CVE-2022-28284 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2022-28284?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-28284?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST