CVE-2026-16274 Classified Listing < 5.4.4 - Contributor+ Unpublished Post Content Disclosure via rtcl_block_css_get_posts
Contributor-level users can read unpublished or private post content from other users due to missing authorization checks in an AJAX action.
- 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-2026-16274?
CVE-2026-16274 is a low-severity missing authorization vulnerability in Unknown Classified Listing, published on 3 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Classified Listing WordPress plugin before 5.4.4 does not perform a capability or ownership check on an AJAX action that returns a post's content, allowing users with contributor-level access and above to read the content of any post, page, or custom post type on the site — including drafts, pending, and private posts owned by other users — regardless of ownership.
Weakness: CWE-862
Which versions are affected by CVE-2026-16274?
How do I fix CVE-2026-16274?
No fix has been published for CVE-2026-16274 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-2026-16274 being exploited?
There is no known exploitation of CVE-2026-16274 in the wild and no public exploit code.
Sources
Also known as GHSA-xw94-m5qr-wj9w.