CVE-2025-49576Public exploitNetwork attack vector

Stored XSS via raw Mustache message rendering

Published Jun 12, 2025 · Updated Jun 12, 2025

Stored XSS in StarCitizen.tools Citizen 2.31.0 through 3.3.0 allows remote authenticated users to execute script through system messages. The TypeaheadPlaceholder.mustache template uses unescaped triple-brace interpolation for citizen-search-noresults-title and citizen-search-noresults-desc, inserting their values as raw HTML into the DOM. Access to edit either interface message is required, and the payload runs when a search produces no results and displays the modified message.

CVSS severity6.5
Medium
EPSS probability0.41%
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 StarCitizen.tools Citizen 2.31.0 through 3.3.0 allows remote authenticated users to execute script through system messages. The TypeaheadPlaceholder.mustache template uses unescaped triple-brace interpolation for citizen-search-noresults-title and citizen-search-noresults-desc, inserting their values as raw HTML into the DOM. Access to edit either interface message is required, and the payload runs when a search produces no results and displays the modified message.

The record

CVE
CVE-2025-49576
Published
Jun 12, 2025
Updated
Jun 12, 2025
Vendor
StarCitizen.tools
Product
Citizen
Classifications
CWE-79, CWE-80, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 12, 2025CVE publishedPublication date reported by the CVE source.
  2. Jun 12, 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=>= 2.31.0, < 3.3.1
  2. Affected versionversion=>= a0296afaedbe1a277337a2d8f1da83cb3a79b9ab, < 93c36ac778397e0e7c46cf7adb1e5d848265f1bd

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

StarCitizen.tools · Citizenversion=>= 2.31.0, < 3.3.1; version=>= a0296afaedbe1a277337a2d8f1da83cb3a79b9ab, < 93c36ac778397e0e7c46cf7adb1e5d848265f1bd

Published CVSS scores

6.5GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
T1059.007Command and Scripting Interpreter: JavaScript/JScript

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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