Group Chat & Video Chat by AtomChat: A security weakness
Group Chat & Video Chat by AtomChat is affected by a security weakness. Exploitation requires at least subscriber-level access. The resulting impact depends on how the affected component exposes the vulnerable operation.
- Component
- Group Chat & Video Chat by AtomChat
- Plugin slug
atomchat- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Mar 21, 2026
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Mar 21, 2026 and is one of 5 known issues for this plugin.
Update, patch or deactivate.
Update Group Chat & Video Chat by AtomChat to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N