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CVE-2025-30899: WordPress User Registration plugin <= 4.0.3 - Cross Site Scripting (XSS) vulnerability

5.9 CVSS

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpeverest User Registration allows Stored XSS. This issue affects User Registration: from n/a through 4.0.3.

Classification

CVE ID: CVE-2025-30899

CVSS Base Severity: MEDIUM

CVSS Base Score: 5.9

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

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Vendor: wpeverest

Product: User Registration

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 8.08% (scored less or equal to compared to others)

EPSS Date: 2025-04-25 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-30899
https://patchstack.com/database/wordpress/plugin/user-registration/vulnerability/wordpress-user-registration-plugin-4-0-3-cross-site-scripting-xss-vulnerability?_s_id=cve

Timeline