CVE-2026-92590: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in craftcms cms
Craft CMS versions 5.7.0 through before 5.10.13 contain a stored cross-site scripting (XSS) vulnerability in the Generated Fields feature. This flaw disables Twig autoescaping and fails to encode cached values, allowing content editors to inject malicious JavaScript. The injected script executes in authenticated Control Panel sessions of higher-privileged users when they view element indexes.
AI Analysis
Technical Summary
CVE-2026-92590 is a stored cross-site scripting vulnerability affecting Craft CMS versions >=5.7.0 and <5.10.13. The vulnerability exists in the Generated Fields feature, which disables Twig autoescaping and does not properly encode cached values. This allows content editors to inject malicious JavaScript code into editable fields. When higher-privileged users access element indexes in the Control Panel, the malicious script executes in their authenticated sessions, potentially leading to unauthorized actions or data exposure within the CMS.
Potential Impact
The vulnerability enables content editors with editing privileges to inject malicious JavaScript that executes in the browser sessions of higher-privileged authenticated users in the Control Panel. This could lead to unauthorized actions performed with elevated privileges or exposure of sensitive information accessible to those users. The CVSS 4.0 base score is 5.1, indicating a medium severity impact.
Mitigation Recommendations
A fix is available in Craft CMS versions 5.10.13 and later. Users should upgrade to version 5.10.13 or newer to remediate this vulnerability. No additional mitigation steps are indicated beyond applying the official patch.
CVE-2026-92590: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in craftcms cms
Description
Craft CMS versions 5.7.0 through before 5.10.13 contain a stored cross-site scripting (XSS) vulnerability in the Generated Fields feature. This flaw disables Twig autoescaping and fails to encode cached values, allowing content editors to inject malicious JavaScript. The injected script executes in authenticated Control Panel sessions of higher-privileged users when they view element indexes.
CVSS v4.0
Score 5.1medium
Affected software
craftcms
cms
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-92590 is a stored cross-site scripting vulnerability affecting Craft CMS versions >=5.7.0 and <5.10.13. The vulnerability exists in the Generated Fields feature, which disables Twig autoescaping and does not properly encode cached values. This allows content editors to inject malicious JavaScript code into editable fields. When higher-privileged users access element indexes in the Control Panel, the malicious script executes in their authenticated sessions, potentially leading to unauthorized actions or data exposure within the CMS.
Potential Impact
The vulnerability enables content editors with editing privileges to inject malicious JavaScript that executes in the browser sessions of higher-privileged authenticated users in the Control Panel. This could lead to unauthorized actions performed with elevated privileges or exposure of sensitive information accessible to those users. The CVSS 4.0 base score is 5.1, indicating a medium severity impact.
Mitigation Recommendations
A fix is available in Craft CMS versions 5.10.13 and later. Users should upgrade to version 5.10.13 or newer to remediate this vulnerability. No additional mitigation steps are indicated beyond applying the official patch.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-16T13:47:49.170Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6aab120655bf5e2cf5368830
Added to database: 09/16/2026, 22:02:46 UTC
Last enriched: 09/16/2026, 23:13:37 UTC
Last updated: 09/16/2026, 23:13:37 UTC
Views: 4
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