CVE-2023-23657

MEDIUM 5.4CVE-2023-23657 · Published 16/05/2023 · updated 17/06/2026

In short

CVE-2023-23657 is a MEDIUM (CVSS 5.4) vulnerability affecting mail subscribe list (webfwd).
Chance of exploitation in the next 30 days (EPSS): 0.37%, higher than 31.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mail subscribe list webfwd	`≤ 2.1.9`	No fix yet

Auth. (contributor+) Stored Cross-Site Scripting (XSS) vulnerability in Richard Leishman t/a Webforward Mail Subscribe List plugin <= 2.1.9 versions.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.