CVE-2026-101160 WP Ultimate Review < 2.4.4 - Unauthenticated DoS via Non-Numeric Review Rating
Unauthenticated attackers can cause persistent denial of service by submitting non-numeric review ratings in WP Ultimate Review when user reviews are enabled.
- 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-2026-101160?
CVE-2026-101160 is a high-severity denial of service vulnerability in Unknown WP Ultimate Review, published on 3 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The WP Ultimate Review WordPress plugin before 2.4.4 does not validate that a submitted review rating is numeric before storing it and later using it in numeric operations when rendering reviews, allowing unauthenticated users to make the reviewed content fail with a fatal error for all visitors until the review is removed (a persistent denial of service), when user reviews are enabled.
Weakness: CWE-400
Which versions are affected by CVE-2026-101160?
How do I fix CVE-2026-101160?
No fix has been published for CVE-2026-101160 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-101160 being exploited?
There is no known exploitation of CVE-2026-101160 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-4g77-2gv7-vccg.