Medium [CVE-2026-73295] Material for MkDocs: DOM-based Cross-Site Scripting via crafted URL parameter
This medium-severity Red Hat Linux advisory covers CVE-2026-73295 affecting Red Hat Certification Program for Red Hat Enterprise Linux 9, Red Hat Developer Hub, Red Hat Hardened Images.
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Summary
Material for MkDocs is a powerful documentation framework built on top of MkDocs.
From 7.2.0 until 9.7.7, the mountSearchSuggest function in src/templates/assets/javascripts/components/search/suggest/index.ts contains a DOM-based cross-site scripting vulnerability in the optional search.suggest feature that allows a crafted q URL parameter to execute JavaScript in a documentation site's origin after user interaction.
This issue is fixed in version 9.7.7. A remote attacker could exploit this by crafting a malicious URL with a specially designed query parameter.
After user interaction, this could lead to the execution of arbitrary JavaScript code in the context of the documentation site, potentially resulting in information disclosure or other client-side attacks. Red Hat severity: Moderate — CVSS 5.4 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N).
Weakness: CWE-79. Affected Red Hat products: Red Hat Certification Program for Red Hat Enterprise Linux 9; Red Hat Developer Hub; Red Hat Hardened Images; Red Hat OpenShift Container Platform 4; Self-service automation portal 2.
Red Hat does not currently list a fixing RHSA for this CVE.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 3 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 9.7.7. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 3 hours ago·verify at source
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