CVE-2023-23927 — Craft is a platform for creating digital experiences

Craft is a platform for creating digital experiences. When you insert a payload inside a label name or instruction of an entry type, an cross-site scripting (XSS) happens in the quick post widget on the admin dashboard. This issue has been fixed in version 4.3.7.

01What is this vulnerability?

Craft is a platform for creating digital experiences. When you insert a payload inside a label name or instruction of an entry type, an cross-site scripting (XSS) happens in the quick post widget on the admin dashboard. This issue has been fixed in version 4.3.7.

02Affected products

Vendor	Product	Versions
craftcms	cms	< 4.3.7

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: 2023-03-03T21:58:26.183Z
• Last modified: 2025-02-25T15:02:32.273Z

09References

• github.com — https://github.com/craftcms/cms/security/advisories/GHSA-qcrj-6ffc-v7hq
• github.com — https://github.com/craftcms/cms/blob/develop/CHANGELOG.md#437---2023-02-03
• user-images.githubusercontent.com — https://user-images.githubusercontent.com/53917092/215604129-d5b75608-5a24-4eb3-…