CVE-2026-82883: WordPress Login With Ajax plugin <= 4.5.1 - Cross Site Scripting (XSS) vulnerability

Severity: high (CVSS 7.1 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: 2026-09-02 · updated 2026-09-03
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Marcus Login With Ajax allows Reflected XSS. This issue affects Login With Ajax: from n/a through 4.5.1.

Affected products

Marcus Login With Ajax: through 4.5.1

References

https://patchstack.com/database/wordpress/plugin/login-with-ajax/vulnerability/wordpress-login-with-ajax-plugin-4-5-1-cross-site-scripting-xss-vulnerability-2?_s_id=cve

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