What’s Vulnerable › Vulnerabilities

CVE-2023-23657: WordPress Mail Subscribe List Plugin <= 2.1.9 is vulnerable to Cross Site Scripting (XSS)

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-16 · updated 2026-06-17
• Weakness: CWE-79

Description

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

Affected products

• Mail Subscribe List Plugin: through 2.1.9

References

• https://patchstack.com/database/vulnerability/mail-subscribe-list/wordpress-mail-subscribe-list-plugin-2-1-9-cross-site-scripting-xss-vulnerability?_s_id=cve
• https://patchstack.com/database/vulnerability/mail-subscribe-list/wordpress-mail-subscribe-list-plugin-2-1-9-cross-site-scripting-xss-vulnerability?_s_id=cve

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