CVE-2023-33195 — Craft is a CMS for creating custom digital experiences on the web

Craft is a CMS for creating custom digital experiences on the web. A malformed RSS feed can deliver an XSS payload. This issue was patched in version 4.4.6.

01What is this vulnerability?

Craft is a CMS for creating custom digital experiences on the web. A malformed RSS feed can deliver an XSS payload. This issue was patched in version 4.4.6.

02Affected products

Vendor	Product	Versions
craftcms	cms	>= 4.3.0, <= 4.4.5

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: 2023-05-27T03:51:35.684Z
• Last modified: 2025-01-14T18:21:23.065Z

09References

• github.com — https://github.com/craftcms/cms/security/advisories/GHSA-qpgm-gjgf-8c2x
• github.com — https://github.com/craftcms/cms/commit/b77cb3023bed4f4a37c11294c4d319ff9f598e1f
• github.com — https://github.com/craftcms/cms/releases/tag/4.4.6