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Cross-site Scripting (XSS) Affecting gitlab-rails-ce-fips-18.10 package, versions <18.10.3-r0

Severity

 Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.71% (53rd percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-GITLABRAILSCEFIPS1810-16061518
  • published15 Apr 2026
  • disclosed23 Mar 2026
Report a new vulnerability Found a mistake?

Introduced: 23 Mar 2026

CVE-2026-33168  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Chainguard gitlab-rails-ce-fips-18.10 to version 18.10.3-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gitlab-rails-ce-fips-18.10 package and not the gitlab-rails-ce-fips-18.10 package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

Action View provides conventions and helpers for building web pages with the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, when a blank string is used as an HTML attribute name in Action View tag helpers, the attribute escaping is bypassed, producing malformed HTML. A carefully crafted attribute value could then be misinterpreted by the browser as a separate attribute name, possibly leading to XSS. Applications that allow users to specify custom HTML attributes are affected. Versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 contain a patch.