CVE-2026-72787 Craft CMS 5.0.0-RC1 before 5.10.8 Stored XSS via Draft Name
Low-privilege users can inject JavaScript via draft names, leading to account takeover of higher-privileged users in Craft CMS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-72787?
CVE-2026-72787 is a medium-severity cross-site scripting vulnerability in craftcms cms, published on 12 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2026-72787?
2 open source packages ship an affected version, including craftcms/cms.
| Package | Affected | Fixed in |
|---|---|---|
craftcms/cms Packagist | From 5.0.0-RC1 | 5.10.8 |
craftcms/cms Packagist | From 5.0.0-RC1 | 5.10.8 |
How do I fix CVE-2026-72787?
Upgrade craftcms/cms to 5.10.8 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-72787 being exploited?
There is no known exploitation of CVE-2026-72787 in the wild and no public exploit code.
Sources
Also known as GHSA-2rp4-x2j7-qmcc, GHSA-xh8r-pv2v-rc22.