CVE-2026-19077 Copy & Delete Posts < 1.5.5 - Authenticated Arbitrary Post Deletion via Missing Object-Level Authorization
Authenticated users can permanently delete arbitrary posts belonging to other users due to missing object-level authorization checks in the Duplicate Post plugin.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19077?
CVE-2026-19077 is a medium-severity missing authorization vulnerability in Unknown Duplicate Post, published on 10 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Duplicate Post WordPress plugin before 1.5.5 does not perform per-object authorisation checks in its bulk copy and delete operations, allowing any user whose role an administrator has granted Duplicate Post WordPress plugin before 1.5.5 access to permanently delete arbitrary posts on the site, including those belonging to other users.
Weakness: CWE-639
Which versions are affected by CVE-2026-19077?
How do I fix CVE-2026-19077?
No fix has been published for CVE-2026-19077 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-2026-19077 being exploited?
There is no known exploitation of CVE-2026-19077 in the wild and no public exploit code.
Sources
Also known as GHSA-47f8-4hph-5246.