Medium severity · published Jun 12, 2026
CVE-2026-45014
Apostrophe Vulnerable to Stored Cross-Site Scripting via Unsanitized User Display Name in Draft Version Tooltip
5.3
CVSS
0.3%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AP
apostrophe · apostrophecms
<= 4.29.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-45014
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-45014
github.com
https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-hvx2-4ghc-j37m
More from apostrophe
9.1
CVE-2026-53609
Apostrophe has Server-Side Prototype Pollution in apos.util.set via patch operators that leads to process-wide authorization bypass
8.7
CVE-2026-35569
ApostropheCMS: Stored XSS in SEO Fields Leads to Authenticated API Data Exposure in ApostropheCMS
8.1
CVE-2026-45013
Apostrophe has a Weak Password Recovery Mechanism for Forgotten Password and Improper Input Validation
8.1
CVE-2026-32730
ApostropheCMS MFA/TOTP Bypass via Incorrect MongoDB Query in Bearer Token Middleware
7.6
CVE-2026-45012
Apostrophe has authenticated SSRF in rich-text widget import via @apostrophecms/area/validate-widget