CVE-2026-45014 PUBLISHED

Apostrophe Vulnerable to Stored Cross-Site Scripting via Unsanitized User Display Name in Draft Version Tooltip

Assigner: GitHub_M
Reserved: 08.05.2026 Published: 12.06.2026 Updated: 12.06.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	Low
Attack Complexity	Low	Integrity	None	Integrity	Low
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	apostrophecms
Product	apostrophe
Versions	Version <= 4.29.0 is affected

References

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

Problem Types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE