CVE-2025-28880

CVE-2025-28880 is an Improper Neutralization of Input During Web Page Generation vulnerability, classified as Reflected Cross-site Scripting (XSS) under CWE-79, in the jotis Blue Captcha (blue-captcha) WordPress plugin. This issue affects all versions from n/a through 1.7.4 inclusive. The vulnerability was published on 2025-03-26 with a CVSS v3.1 base score of 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L).

Attackers can exploit this vulnerability remotely over the network with low complexity and no required privileges, though it necessitates user interaction such as clicking a malicious link. Upon successful exploitation, arbitrary JavaScript executes in the context of the victim's browser, enabling low-level impacts on confidentiality, integrity, and availability, with a changed scope that may affect the security context beyond the targeted user.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/blue-captcha/vulnerability/wordpress-blue-captcha-plugin-1-7-4-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve details the Reflected XSS vulnerability specific to the WordPress Blue Captcha plugin version 1.7.4. Security practitioners should review this reference for recommended mitigations and any available patches or updates.