CVE-2026-81651 NextGEN Gallery < 4.5.0 - Authenticated Cross-Gallery Settings Modification via IDOR
Authenticated users can modify settings of any gallery, including those owned by others, due to missing ownership verification.
- 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-2026-81651?
CVE-2026-81651 is a low-severity missing authorization vulnerability in Unknown Photo Gallery, Sliders, Proofing and Themes, published on 20 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Photo Gallery, Sliders, Proofing and WordPress plugin before 4.5.0 does not verify that the user saving a gallery owns it, allowing any user granted its gallery-management capability by an administrator to overwrite the stored settings of any gallery on the site, including its filesystem path, and including galleries belonging to other users.
Weakness: CWE-639
Which versions are affected by CVE-2026-81651?
How do I fix CVE-2026-81651?
No fix has been published for CVE-2026-81651 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-2026-81651 being exploited?
There is no known exploitation of CVE-2026-81651 in the wild and no public exploit code.
Sources
Also known as GHSA-w7wf-gqrx-wh54.