Missing authorization in atomchat Group Chat & Video Chat by AtomChat
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
The Group Chat & Video Chat by AtomChat plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'atomchat_update_auth_ajax' and 'atomchat_update_layout_ajax' functions in all versions up to, and including, 1.1.7. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update plugin options, including critical settings such as API keys, authentication keys, and layout configurations.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-1253
- 2026-10-03 Alias added: GHSA-m7rf-c5vj-q364
References
Other 3
- https://www.wordfence.com/threat-intel/vulnerabilities/id/5c2980c3-0038-42ab-8751-72c40921477a?source=cve
- https://plugins.trac.wordpress.org/browser/atomchat/trunk/includes/atomchat_requesthandler.php#L175
- https://plugins.trac.wordpress.org/browser/atomchat/tags/1.1.7/includes/atomchat_requesthandler.php#L175
More atomchat vulnerabilities
- TI-2024-09488 AtomChat <= 1.1.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via atomchat Shortcode CVSS 3.1MEDIUM 6.4
Sources
- CVE-2026-1253 · CVE Program
- CVE-2026-1253 · NVD
- FIRST EPSS
- GHSA-m7rf-c5vj-q364 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences