How to fix CVE-2025-31883?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Is WPWebinarSystem WebinarPress affected by CVE-2025-31883?

CVE-2025-31883 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 5.9. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Organizations should apply vendor updates when available and monitor for exploitation.

WPWebinarSystem WebinarPress CVE-2025-31883

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-04-01 [email protected]

XSS

4.8

CVSS 3.1

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:34 vuln.today

CVE Published

Apr 01, 2025 - 15:16 nvd

MEDIUM 4.8

DescriptionNVD

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.

AnalysisAI

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPWebinarSystem WebinarPress allows Stored XSS.33.27. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPWebinarSystem WebinarPress allows Stored XSS.33.27. Affected products include: Webinarpress. Version information: through 1.33.27..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

CVE-2025-31883 vulnerability details – vuln.today

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