CVE-2026-53738 Copy & Delete Posts through 1.5.4 Privilege Escalation via cdp_action_handling Handler
Non-admin users can delete posts or modify plugin settings by bypassing capability checks in the AJAX handler.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-53738?
CVE-2026-53738 is a high-severity missing authorization vulnerability in Inisev Copy & Delete Posts, published on 10 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Copy & Delete Posts through 1.5.4 lets any plugin-enabled non-admin role invoke every operation in the cdp_action_handling AJAX handler. Attackers with an enabled role can delete posts or overwrite plugin settings via the f parameter, bypassing per-function capability checks.
Weakness: CWE-863
Which versions are affected by CVE-2026-53738?
How do I fix CVE-2026-53738?
No fix has been published for CVE-2026-53738 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-53738 being exploited?
There is no known exploitation of CVE-2026-53738 in the wild and no public exploit code.
Sources
Also known as GHSA-cx2j-wv5h-5j6v.