VDB-314828 · CVE-2025-53369 · EUVD-2025-19899

StarCitizenTools mediawiki-extensions-ShortDescription up to 4.0.0 mw.util.addSubtitle cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as problematic has been found in StarCitizenTools mediawiki-extensions-ShortDescription up to 4.0.0. This affects the function mw.util.addSubtitle. Such manipulation leads to cross site scripting. This vulnerability is listed as CVE-2025-53369. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in StarCitizenTools mediawiki-extensions-ShortDescription up to 4.0.0. It has been rated as problematic. Affected by this issue is the function mw.util.addSubtitle. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes:

Short Description is a MediaWiki extension that provides local short description support. In version 4.0.0, short descriptions are not properly sanitized before being inserted as HTML using mw.util.addSubtitle, allowing any user to insert arbitrary HTML into the DOM by editing a page. This issue has been patched in version 4.0.1.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-53369 since 06/27/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 4.0.1 eliminates this vulnerability. Applying the patch 2c18bd21c5de53c336f55b6ff42f2983ea5796b4/4.0.1 is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-19899). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Content Management System

Vendor

StarCitizenTools

Name

mediawiki-extensions-ShortDescription

Version

Website

Product: https://github.com/StarCitizenTools/mediawiki-extensions-ShortDescription/

CPE 2.3info

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CPE 2.2info

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CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.6
CNA Vector (GitHub_M): 🔒

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: mediawiki-extensions-ShortDescription 4.0.1
Patch: 2c18bd21c5de53c336f55b6ff42f2983ea5796b4/4.0.1

Timelineinfo

06/27/2025 CVE reserved
07/03/2025 +6 days Advisory disclosed
07/03/2025 +0 days VulDB entry created
07/04/2025 +1 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2025-53369 (🔒)
GCVE (CVE): GCVE-0-2025-53369
GCVE (VulDB): GCVE-100-314828
EUVD: 🔒

Entryinfo

Created: 07/03/2025 22:23
Updated: 07/04/2025 03:52
Changes: 07/03/2025 22:23 (66), 07/04/2025 03:52 (1)
Complete: 🔍
Cache ID: 216::103