XSS in Craftcms Cms
CVE-2026-72787
Craft CMS versions before 5.10.8 contain a stored cross-site scripting vulnerability in the control panel where draft names are rendered without HTML encoding in element chips and cards. A low-privilege user who can create element drafts can inject malicious JavaScript that executes in the browser of any higher-privileged user viewing the affected element, allowing account creation and other authenticated actions.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (16.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001
Affected products
- Craftcms Cms — versions 5.0.0-RC1, 5.10.8
Weakness classification (CWE)
References
- github.com/craftcms/cms/security/advisories/GHSA-2rp4-x2j7-qmcc (vendor-advisory)
- www.vulncheck.com/advisories/craft-cms-rc1-before-stored-xss-via-draft-name (third-party-advisory)
Frequently asked questions
- What is CVE-2026-72787?
- CVE-2026-72787 is a medium-severity vulnerability in Craftcms Cms, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-08-12.
- How severe is CVE-2026-72787?
- Medium severity. CVSS v3 base score is 6.4 out of 10.