CVE-2026-45014: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in apostrophecms apostrophe
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.
AI Analysis
Technical Summary
CVE-2026-45014 is a stored cross-site scripting vulnerability in ApostropheCMS, an open-source Node.js content management system. The vulnerability arises from unsanitized user display names being rendered in the draft version tooltip, allowing an attacker to inject malicious scripts. Versions up to and including 4.29.0 are affected. There is no official fix or patch available at the time of this report.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary scripts in the context of the affected user's browser when viewing the draft version tooltip. This can lead to session hijacking, defacement, or other client-side attacks. The CVSS 4.0 base score is 5.3, indicating a medium severity impact with network attack vector, low complexity, no privileges required, and user interaction needed.
Mitigation Recommendations
No official patch or fix is currently available. Users should apply caution when handling untrusted input in display names and consider implementing manual input sanitization or disabling the draft version tooltip feature if possible until a vendor fix is released. Monitor the vendor advisory for updates regarding remediation.
CVE-2026-45014: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in apostrophecms apostrophe
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 v4.0
Score 5.3medium
Affected software
pkg:npm/apostrophecms/apostropheRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-45014 is a stored cross-site scripting vulnerability in ApostropheCMS, an open-source Node.js content management system. The vulnerability arises from unsanitized user display names being rendered in the draft version tooltip, allowing an attacker to inject malicious scripts. Versions up to and including 4.29.0 are affected. There is no official fix or patch available at the time of this report.
Potential Impact
Successful exploitation allows an attacker to execute arbitrary scripts in the context of the affected user's browser when viewing the draft version tooltip. This can lead to session hijacking, defacement, or other client-side attacks. The CVSS 4.0 base score is 5.3, indicating a medium severity impact with network attack vector, low complexity, no privileges required, and user interaction needed.
Mitigation Recommendations
No official patch or fix is currently available. Users should apply caution when handling untrusted input in display names and consider implementing manual input sanitization or disabling the draft version tooltip feature if possible until a vendor fix is released. Monitor the vendor advisory for updates regarding remediation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-08T16:58:28.895Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a2c7589e617e2d834c30b6f
Added to database: 06/12/2026, 21:09:29 UTC
Last enriched: 06/19/2026, 22:19:35 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 57
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