CVE-2025-53490
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-07-03
Last updated on: 2025-10-01
Assigner: wikimedia-foundation
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| jly | campaignevents | * |
| mediawiki | mediawiki | From 1.43.0 (inc) to 1.43.2 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Cross-Site Scripting (XSS) issue in the Wikimedia Foundation Mediawiki CampaignEvents Extension. It occurs because the extension does not properly neutralize input during web page generation, allowing attackers to inject malicious scripts.
How can this vulnerability impact me? :
The vulnerability can allow attackers to execute malicious scripts in the context of the affected website, potentially leading to theft of user data, session hijacking, or other malicious actions performed on behalf of users.
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