CVE-2026-65516 WordPress PeproDev Ultimate Invoice plugin <= 2.2.6 - Server Side Request Forgery (SSRF) vulnerability
Unauthenticated attackers can exploit a Server Side Request Forgery vulnerability in the PeproDev Ultimate Invoice WordPress plugin to access internal resources.
- 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-2026-65516?
CVE-2026-65516 is a high-severity server-side request forgery vulnerability in PeproDev Ultimate Invoice, published on 23 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated Server Side Request Forgery (SSRF) in PeproDev Ultimate Invoice <= 2.2.6 versions.
Weakness: CWE-918
Which versions are affected by CVE-2026-65516?
How do I fix CVE-2026-65516?
No fix has been published for CVE-2026-65516 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-65516 being exploited?
There is no known exploitation of CVE-2026-65516 in the wild and no public exploit code.
Sources
Also known as GHSA-4966-5qv6-xgv5.