VulnerabilityDeferred

CVE-2026-45014

Versions up to and including 4.29.0 are vulnerable to stored cross-site scripting via unsanitized user display name in draft version tooltip.

MEDIUM 5.3EPSS 0.29%

Does this matter?

Lower severity and a low EPSS score (0.29%). Track it; it rarely justifies an emergency change on its own.

Description

ApostropheCMS is an open-source Node.js content management system. Versions up to and including 4.29.0 are vulnerable to stored cross-site scripting via unsanitized user display name in draft version tooltip. As of time of publication, no known patched versions are available.

CVSS 4.0: 5.3 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.29% probability · 21th percentile
CISA KEV: Not listed
Weakness: CWE-79
Source: security-advisories@github.com

References

https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-hvx2-4ghc-j37m

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.