CVE-2025-49575: Starcitizentools/citizen skin Cross-Site Scripting Vulnerability
MODERATECVE-2025-49575 is a MODERATE (CVSS 6.5) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Starcitizentools/citizen skin libraries in the Packagist ecosystem. The issue involves citizen skin vulnerable to stored xss through multiple system messages. Remediation is available by upgrading affected packages to version 3.3.1.
CVE-2025-49575 at a Glance
Security Impact
CVSS: 6.5
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N).
How to Fix CVE-2025-49575
To remediate this vulnerability, upgrade all affected Starcitizentools/citizen skin dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
Upgrade starcitizentools/citizen-skin to 3.3.1
Run the following command in your project directory to verify that all resolved dependencies use the patched release:
inspect dependencies for starcitizentools/citizen-skin
How to Check if You Are Affected
To determine whether your application is affected by CVE-2025-49575, inspect your project dependencies for Starcitizentools/citizen skin:
inspect dependencies for starcitizentools/citizen-skin
Analyze the terminal output to locate any version of Starcitizentools/citizen skin in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.3.1), your application is affected.
Note: Verify declared build manifests and deployed runtime container environments.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where 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. In Starcitizentools/citizen skin, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2025-49575 Affected Starcitizentools/citizen skin Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
starcitizentools/citizen-skin
|
Packagist |
≥ 2.4.2
< 3.3.1
|
3.3.1
|
References
Frequently Asked Questions
What is CVE-2025-49575?
Which Starcitizentools/citizen skin versions are affected?
What version fixes CVE-2025-49575?
Is starcitizentools/citizen-skin affected?
What is the CVSS score of CVE-2025-49575?
What CWE is associated with CVE-2025-49575?
How can I check Packagist dependencies for CVE-2025-49575?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-4c2h-67qq-vm87",
"modified" : "2025-06-13T03:43:58Z",
"published" : "2025-06-11T19:59:54Z",
"aliases" : [ "CVE-2025-49575" ],
"summary" : "Citizen skin vulnerable to stored XSS through multiple system messages",
"details" : "### Summary\nMultiple system messages are inserted into the CommandPaletteFooter as raw HTML, allowing anybody who can edit those messages to insert arbitrary HTML into the DOM.\n\n### Details\nThe messages are retrieved using the `plain()` output mode: https://github.com/StarCitizenTools/mediawiki-skins-Citizen/blob/072e4365e9084e4b153eac62d3666566c06f5a49/resources/skins.citizen.commandPalette/components/CommandPaletteFooter.vue#L61-L66\n`currentTip` is set to one of these messages: https://github.com/StarCitizenTools/mediawiki-skins-Citizen/blob/072e4365e9084e4b153eac62d3666566c06f5a49/resources/skins.citizen.commandPalette/components/CommandPaletteFooter.vue#L69\n`currentTip` is inserted as raw HTML (`vue/no-v-html` should *not* be ignored here): https://github.com/StarCitizenTools/mediawiki-skins-Citizen/blob/072e4365e9084e4b153eac62d3666566c06f5a49/resources/skins.citizen.commandPalette/components/CommandPaletteFooter.vue#L3-L4\n\n### PoC\n1. Edit `citizen-command-palette-tip-commands`, `citizen-command-palette-tip-users`, `citizen-command-palette-tip-namespace` and `citizen-command-palette-tip-templates` to `<img src=\"\" onerror=\"alert(1)\">` (script tags don't work here due to the way the HTML is inserted)\n2. Open the command palette\n\n\n### Impact\nThis impacts wikis where a group has the `editinterface` but not the `editsitejs` user right.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "Packagist",
"name" : "starcitizentools/citizen-skin"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "2.4.2"
}, {
"fixed" : "3.3.1"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/StarCitizenTools/mediawiki-skins-Citizen/security/advisories/GHSA-4c2h-67qq-vm87"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-49575"
}, {
"type" : "WEB",
"url" : "https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/4fa69e1d062dca7e407cc0530cf1da3e2baaf0b5"
}, {
"type" : "WEB",
"url" : "https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/54c8717d45ce1594918f11cb9ce5d0ccd8dfee65"
}, {
"type" : "WEB",
"url" : "https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/93c36ac778397e0e7c46cf7adb1e5d848265f1bd"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/StarCitizenTools/mediawiki-skins-Citizen"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-79" ],
"severity" : "MODERATE",
"github_reviewed" : true,
"github_reviewed_at" : "2025-06-11T19:59:54Z",
"nvd_published_at" : "2025-06-12T19:15:20Z"
}
}