CVE-2023-51374: WordPress ZeroBounce Email Verification & Validation Plugin <= 1.0.11 is vulnerable to Cross Site Scripting (XSS)

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-29 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ZeroBounce ZeroBounce Email Verification & Validation allows Stored XSS.This issue affects ZeroBounce Email Verification & Validation: from n/a through 1.0.11.

Affected products

ZeroBounce Email Verification & Validation: through 1.0.11

References

https://patchstack.com/database/vulnerability/zerobounce/wordpress-zerobounce-email-verification-validation-plugin-1-0-11-cross-site-scripting-xss-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/zerobounce/wordpress-zerobounce-email-verification-validation-plugin-1-0-11-cross-site-scripting-xss-vulnerability?_s_id=cve

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