CVE-2026-100518 WordPress Advanced Google reCAPTCHA plugin <= 5.40 - Broken Authentication vulnerability
Unauthenticated attackers can bypass authentication in the Advanced Google reCAPTCHA WordPress plugin, potentially gaining unauthorized access.
- 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-2026-100518?
CVE-2026-100518 is a medium-severity authentication bypass vulnerability in WebFactory Advanced Google reCAPTCHA, published on 6 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated Broken Authentication in Advanced Google reCAPTCHA <= 5.40 versions.
Weakness: CWE-288
Which versions are affected by CVE-2026-100518?
How do I fix CVE-2026-100518?
No fix has been published for CVE-2026-100518 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-100518 being exploited?
There is no known exploitation of CVE-2026-100518 in the wild and no public exploit code.
Sources
Also known as GHSA-9vfj-8pvp-mccw.