CVE-2025-53490

| EUVD-2025-19890 MEDIUM
2025-07-03 c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
5.6
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

4
Analysis Generated
Mar 16, 2026 - 02:12 vuln.today
EUVD ID Assigned
Mar 16, 2026 - 02:12 euvd
EUVD-2025-19890
Patch Released
Mar 16, 2026 - 02:12 nvd
Patch available
CVE Published
Jul 03, 2025 - 16:15 nvd
MEDIUM 5.6

Tags

XSS Campaignevents

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - CampaignEvents Extension: from 1.43.X before 1.43.2.

Analysis

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - CampaignEvents Extension: from 1.43.X before 1.43.2.

Technical Context

Cross-site scripting (XSS) allows injection of client-side scripts into web pages viewed by other users due to insufficient output encoding.

Affected Products

Affected products: Jly Campaignevents -

Remediation

A vendor patch is available — apply it immediately. Encode all user-supplied output contextually (HTML, JS, URL). Implement Content Security Policy (CSP) headers. Use HTTPOnly and Secure cookie flags.

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +28
POC: 0

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CVE-2025-53490 vulnerability details – vuln.today
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