CVE-2026-55790: high-severity vulnerability in craftcms cms
Craft CMS: DOM XSS via GitHub issue title in CraftSupport widget
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.4epss 0.5%
Craft CMS is a content management system (CMS). In versions 5.0.0-RC1 through 5.9.22 and 4.0.0-RC1 through 4.17.15, an attacker with only a GitHub account can plant a JavaScript payload in a craftcms/cms issue title. When a Craft admin uses the CraftSupport widget’s "Give feedback" screen and types a search term that returns the poisoned issue, the payload executes in the admin’s control panel session. No control panel account or elevated privileges are required on the attacker’s side. This issue has been fixed in versions 4.17.16 and 5.9.23.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Affected products
craftcms · cmsRelated CVEs — craftcms cms
In the same product, most dangerous first.
CVE-2025-32432CRITICALCraft CMS Allows Remote Code ExecutionEPSS 99.8%KEVCVE-2024-56145CRITICALRCE when PHP `register_argc_argv` config setting is enabled in craftcms/cmsEPSS 97.5%KEVCVE-2025-23209HIGHPotential RCE with a compromised security key in craft/cmsEPSS 21.6%KEVCVE-2023-41892CRITICALCraft CMS Remote Code Execution vulnerabilityEPSS 94.2%CVE-2026-32267HIGHCraft CMS Vulnerable to Privilege Escalation/Bypass through UsersController->actionImpersonateWithToken()EPSS 9.6%CVE-2023-40035HIGHCraft CMS vulnerable to Remote Code Execution via validatePath bypassEPSS 2.3%