CVE-2025-31883: WordPress WebinarPress plugin <= 1.33.27 - Cross Site Scripting (XSS) vulnerability

5.9 CVSS

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPWebinarSystem WebinarPress allows Stored XSS. This issue affects WebinarPress: from n/a through 1.33.27.

Classification

CVE ID: CVE-2025-31883

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: WPWebinarSystem

Product: WebinarPress

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 8.17% (scored less or equal to compared to others)

EPSS Date: 2025-04-20 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-31883
https://patchstack.com/database/wordpress/plugin/wp-webinarsystem/vulnerability/wordpress-webinarpress-plugin-1-33-27-cross-site-scripting-xss-vulnerability?_s_id=cve

Timeline