CVE-2026-89283 WP Posts Password Batch Manager <= 1.1 - Unauthenticated Bulk Post Password Rewrite

High 8.6 Published Updated

Unauthenticated attackers can reset passwords for all published posts, exposing protected content or locking legitimate users out.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-89283?

CVE-2026-89283 is a high-severity missing authorization vulnerability in Unknown WP Posts Password Batch Manager, published on 11 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The WP Posts Password Batch Manager WordPress plugin through 1.1 does not perform any capability or nonce check on a bulk post-password action that runs on an always-loaded admin handler, allowing unauthenticated attackers to reset or overwrite the password of every published post, disclosing password-protected content or locking all posts behind an attacker-chosen password.

Weakness: CWE-862

Which versions are affected by CVE-2026-89283?

How do I fix CVE-2026-89283?

No fix has been published for CVE-2026-89283 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-2026-89283 being exploited?

There is no known exploitation of CVE-2026-89283 in the wild and no public exploit code.

Sources

Also known as GHSA-p977-wr5v-fw6x.

Is CVE-2026-89283 in your software?

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