Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in NotFound Blue Captcha allows Reflected XSS. This issue affects Blue Captcha: from n/a through 1.7.4.

Classification

CVE ID: CVE-2025-28880

CVSS Base Severity: HIGH

CVSS Base Score: 7.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Affected Products

Vendor: NotFound

Product: Blue Captcha

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 9.38% (scored less or equal to compared to others)

EPSS Date: 2025-04-21 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-28880
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

Timeline