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  5. CVE-2026-27126

CVE-2026-27126: Craft CMS has Stored XSS in Table Field via "HTML" Column Type

February 23, 2026

A stored Cross-site Scripting (XSS) vulnerability exists in the editableTable.twig component when using the html column type. The application fails to sanitize the input, allowing an attacker to execute arbitrary JavaScript when another user views a page with the malicious table field.

References

  • github.com/advisories/GHSA-3jh3-prx3-w6wc
  • github.com/craftcms/cms
  • github.com/craftcms/cms/commit/f5d488d9bb6eff7670ed2c2fe30e15692e92c52b
  • github.com/craftcms/cms/security/advisories/GHSA-3jh3-prx3-w6wc
  • nvd.nist.gov/vuln/detail/CVE-2026-27126

Code Behaviors & Features

Detect and mitigate CVE-2026-27126 with GitLab Dependency Scanning

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Affected versions

All versions starting from 4.5.0-RC1 before 4.16.19, all versions starting from 5.0.0-RC1 before 5.8.23

Fixed versions

  • 4.16.19
  • 5.8.23

Solution

Upgrade to versions 4.16.19, 5.8.23 or above.

Impact 5.7 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N

Learn more about CVSS

Weakness

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Source file

packagist/craftcms/cms/CVE-2026-27126.yml

Spotted a mistake? Edit the file on GitLab.

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