CVE-2023-31144 — Craft CMS is a content management system

Craft CMS is a content management system. Starting in version 3.0.0 and prior to versions 3.8.4 and 4.4.4, a malformed title in the feed widget can deliver a cross-site scripting payload. This issue is fixed in version 3.8.4 and 4.4.4.

01What is this vulnerability?

Craft CMS is a content management system. Starting in version 3.0.0 and prior to versions 3.8.4 and 4.4.4, a malformed title in the feed widget can deliver a cross-site scripting payload. This issue is fixed in version 3.8.4 and 4.4.4.

02Affected products

Vendor	Product	Versions
craftcms	cms	>= 3.0.0, < 3.8.4, >= 4.0.0, < 4.4.4

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-05-09T15:22:39.915Z
• Last modified: 2025-01-28T16:40:41.526Z

09References

• github.com — https://github.com/craftcms/cms/security/advisories/GHSA-j4mx-98hw-6rv6
• github.com — https://github.com/craftcms/cms/commit/52bd161614620edbab2d24d078ca9ebca2528442