CVE-2026-45014 Apostrophe Vulnerable to Stored Cross-Site Scripting via Unsanitized User Display Name in Draft Version Tooltip
Attackers can inject malicious scripts via user display names in draft tooltips, potentially compromising user sessions in ApostropheCMS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-45014?
CVE-2026-45014 is a medium-severity cross-site scripting vulnerability in apostrophecms apostrophe, published on 12 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2026-45014?
How do I fix CVE-2026-45014?
No fix has been published for CVE-2026-45014 yet. Limit exposure of the affected software until one is available.
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-2026-45014 being exploited?
There is no known exploitation of CVE-2026-45014 in the wild and no public exploit code.
Sources
Also known as GHSA-hvx2-4ghc-j37m.