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CVE-2026-55793

CVE-2026-55793 · Craft CMS: Stored XSS via Structure entry title in table view

This page contains facts from public vulnerability sources. Check the original advisory before updating.

Craft CMS is a content management system (CMS). In versions 5.0.0-RC1 through 5.9.22, an author-level control panel user can store a malicious JavaScript payload in an entry title. When an admin, or any control panel user with saveEntries for the same Structure section, drags another entry under the poisoned entry in table view, the payload executes in the victim’s session. The issue is exploitable because the title is escaped into data-title by the server, decoded again by the browser, read with jQuery .data('title'), and then concatenated into a new HTML string without attribute escaping. To exploit, an attacker must have an existing control panel account (Author role minimum), the victim must perform a drag operation (not just visit the page), and the victim’s session needs to be elevated at trigger time. This issue has been fixed in version 5.9.23.

CVSS 5.9 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: php

Affected products and versions

  • cms

    Versions
    • >= 5.0.0-RC1, < 5.9.23: Affected

    No fix published

  • craftcms/cms Packagist

    Versions
    • 5.0.0
    • 5.0.0-RC1
    • 5.0.1
    • 5.0.2
    • 5.0.3
    • 5.0.4
    • 5.0.5
    • 5.0.6
    • 5.1.0
    • 5.1.1
    • 5.1.10
    • 5.1.2
    • 5.1.3
    • 5.1.4
    • 5.1.5
    • 5.1.6
    • 5.1.7
    • 5.1.8
    • 5.1.9
    • 5.2.0
    • 5.2.0-beta.1
    • 5.2.0-beta.2
    • 5.2.0-beta.3
    • 5.2.0-beta.4
    • 5.2.0-beta.5
    • 5.2.0-beta.6
    • 5.2.1
    • 5.2.10
    • 5.2.2
    • 5.2.3
    • 5.2.4
    • 5.2.4.1
    • 5.2.5
    • 5.2.6
    • 5.2.7
    • 5.2.8
    • 5.2.9
    • 5.3.0
    • 5.3.0-beta.1
    • 5.3.0-beta.2
    • 5.3.0.1
    • 5.3.0.2
    • 5.3.0.3
    • 5.3.1
    • 5.3.2
    • 5.3.3
    • 5.3.4
    • 5.3.5
    • 5.3.6
    • 5.4.0
    • 5.4.0.1
    • 5.4.1
    • 5.4.10
    • 5.4.10.1
    • 5.4.2
    • 5.4.3
    • 5.4.4
    • 5.4.5
    • 5.4.5.1
    • 5.4.6
    • 5.4.7
    • 5.4.7.1
    • 5.4.8
    • 5.4.9
    • 5.5.0
    • 5.5.0.1
    • 5.5.1
    • 5.5.1.1
    • 5.5.10
    • 5.5.2
    • 5.5.3
    • 5.5.4
    • 5.5.5
    • 5.5.6
    • 5.5.6.1
    • 5.5.7
    • 5.5.8
    • 5.5.9
    • 5.6.0
    • 5.6.0.1
    • 5.6.0.2
    • 5.6.1
    • 5.6.10
    • 5.6.10.1
    • 5.6.10.2
    • 5.6.11
    • 5.6.12
    • 5.6.13
    • 5.6.14
    • 5.6.15
    • 5.6.16
    • 5.6.17
    • 5.6.2
    • 5.6.3
    • 5.6.4
    • 5.6.5
    • 5.6.5.1
    • 5.6.6
    • 5.6.7
    • 5.6.8
    • 5.6.9
    • 5.6.9.1
    • 5.7.0
    • 5.7.0-beta.1
    • 5.7.0-beta.2
    • 5.7.1
    • 5.7.1.1
    • 5.7.10
    • 5.7.11
    • 5.7.2
    • 5.7.3
    • 5.7.4
    • 5.7.5
    • 5.7.6
    • 5.7.7
    • 5.7.8
    • 5.7.8.1
    • 5.7.8.2
    • 5.7.9
    • 5.8.0
    • 5.8.1
    • 5.8.10
    • 5.8.11
    • 5.8.12
    • 5.8.13
    • 5.8.13.1
    • 5.8.13.2
    • 5.8.14
    • 5.8.15
    • 5.8.16
    • 5.8.17
    • 5.8.18
    • 5.8.19
    • 5.8.2
    • 5.8.20
    • 5.8.21
    • 5.8.22
    • 5.8.23
    • 5.8.3
    • 5.8.4
    • 5.8.5
    • 5.8.6
    • 5.8.7
    • 5.8.8
    • 5.8.9
    • 5.9.0
    • 5.9.0-beta.1
    • 5.9.0-beta.2
    • 5.9.1
    • 5.9.10
    • 5.9.11
    • 5.9.12
    • 5.9.13
    • 5.9.14
    • 5.9.15
    • 5.9.16
    • 5.9.17
    • 5.9.18
    • 5.9.19
    • 5.9.2
    • 5.9.20
    • 5.9.21
    • 5.9.22
    • 5.9.23
    • 5.9.3
    • 5.9.4
    • 5.9.5
    • 5.9.6
    • 5.9.7
    • 5.9.8
    • 5.9.9
    Affected ranges
    • ECOSYSTEM: ≥ 5.0.0-RC1, < 5.9.53

    Update to 5.9.53

Original sources

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