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1 vulnerability by StarCitizenWiki

CVE-2025-59839 (GCVE-0-2025-59839)

Vulnerability from cvelistv5 – Published: 2025-09-25 13:56 – Updated: 2025-09-25 14:19
VLAI?
Title
Star Citizen EmbedVideo Extension Stored XSS through wikitext caused by usage of non-reserved data attributes
Summary
The EmbedVideo Extension is a MediaWiki extension which adds a parser function called #ev and various parser tags for embedding video clips from various video sharing services. In versions 4.0.0 and prior, the EmbedVideo extension allows adding arbitrary attributes to an HTML element, allowing for stored XSS through wikitext. This issue has been patched via commit 4e075d3.
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
Impacted products
Show details on NVD website

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                "id": "CVE-2025-59839",
                "options": [
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                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
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                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-09-25T14:19:33.724455Z",
                "version": "2.0.3"
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          "shortName": "CISA-ADP"
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            "tags": [
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            "url": "https://github.com/StarCitizenWiki/mediawiki-extensions-EmbedVideo/security/advisories/GHSA-4j5h-mvj3-m48v"
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        "title": "CISA ADP Vulnrichment"
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    ],
    "cna": {
      "affected": [
        {
          "product": "mediawiki-extensions-EmbedVideo",
          "vendor": "StarCitizenWiki",
          "versions": [
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              "version": "\u003c= 4.0.0"
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          "value": "The EmbedVideo Extension is a MediaWiki extension which adds a parser function called #ev and various parser tags for embedding video clips from various video sharing services. In versions 4.0.0 and prior, the EmbedVideo extension allows adding arbitrary attributes to an HTML element, allowing for stored XSS through wikitext. This issue has been patched via commit 4e075d3."
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      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
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            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L",
            "version": "3.1"
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      "references": [
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          "name": "https://github.com/StarCitizenWiki/mediawiki-extensions-EmbedVideo/security/advisories/GHSA-4j5h-mvj3-m48v",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/StarCitizenWiki/mediawiki-extensions-EmbedVideo/security/advisories/GHSA-4j5h-mvj3-m48v"
        },
        {
          "name": "https://github.com/StarCitizenWiki/mediawiki-extensions-EmbedVideo/commit/4e075d3dc9a15a3ee53f449a684d5ab847e52f01",
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          "name": "https://github.com/StarCitizenWiki/mediawiki-extensions-EmbedVideo/blob/440fb331a84b2050f4cc084c1d31d58a1d1c202d/resources/ext.embedVideo.videolink.js#L5-L20",
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          "name": "https://github.com/StarCitizenWiki/mediawiki-extensions-EmbedVideo/blob/440fb331a84b2050f4cc084c1d31d58a1d1c202d/resources/modules/iframe.js#L139-L155",
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      "source": {
        "advisory": "GHSA-4j5h-mvj3-m48v",
        "discovery": "UNKNOWN"
      },
      "title": "Star Citizen EmbedVideo Extension Stored XSS through wikitext caused by usage of non-reserved data attributes"
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    "datePublished": "2025-09-25T13:56:13.804Z",
    "dateReserved": "2025-09-22T14:34:03.471Z",
    "dateUpdated": "2025-09-25T14:19:53.153Z",
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