Medium severity · published Oct 6, 2026
CVE-2026-100518
WordPress Advanced Google reCAPTCHA plugin <= 5.40 - Broken Authentication vulnerability
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
Unauthenticated Broken Authentication in Advanced Google reCAPTCHA <= 5.40 versions.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AG
Advanced Google reCAPTCHA · WebFactory
through 5.40 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100518
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-100518
vdb-entry
https://patchstack.com/database/wordpress/plugin/advanced-google-recaptcha/vulnerability/wordpress-advanced-google-recaptcha-plugin-5-40-broken-authentication-vulnerability?_s_id=cve
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