CVE-2025-53369Public exploitNetwork attack vector

Stored XSS via decoded HTML subtitle injection

Published Jul 3, 2025 · Updated Jul 3, 2025

Stored XSS in StarCitizenTools ShortDescription 4.0.0 allows remote attackers to execute JavaScript through crafted page wikitext. The sanitize() function decodes HTML entities before ext.shortDescription.js passes the result as raw HTML to mw.util.addSubtitle. Exploitation requires permission to create or edit a page and the default tagline setting; injected script runs in page visitors' browsers.

CVSS severity8.6
High
EPSS probability0.30%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in StarCitizenTools ShortDescription 4.0.0 allows remote attackers to execute JavaScript through crafted page wikitext. The sanitize() function decodes HTML entities before ext.shortDescription.js passes the result as raw HTML to mw.util.addSubtitle. Exploitation requires permission to create or edit a page and the default tagline setting; injected script runs in page visitors' browsers.

The record

CVE
CVE-2025-53369
Published
Jul 3, 2025
Updated
Jul 3, 2025
Vendor
StarCitizenTools
Product
ShortDescription
Classifications
CWE-79, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 3, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 3, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=>= 05f6c6824f8f37dcc2d51cf6df4e7a09bea2196c, < 2c18bd21c5de53c336f55b6ff42f2983ea5796b4
  2. Affected versionversion=>= 4.0.0, < 4.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

StarCitizenTools · ShortDescriptionversion=>= 05f6c6824f8f37dcc2d51cf6df4e7a09bea2196c, < 2c18bd21c5de53c336f55b6ff42f2983ea5796b4; version=>= 4.0.0, < 4.0.1

Published CVSS scores

8.6GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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