CVE-2026-117537 Details
Description
REDAXO before 5.21.0 contains a reflected cross-site scripting vulnerability that allows authenticated attackers to inject scripts via the type parameter of the metainfo_default_fields_create API. Attackers can craft a link with a valid CSRF token and HTML payload that rex_view::message() renders unescaped, executing scripts in a victim's backend session.
A reflected cross-site scripting vulnerability has been identified in REDAXO versions prior to 5.21.0. This vulnerability allows authenticated attackers to inject scripts through the type parameter of the metainfo_default_fields_create API. Exploitation involves crafting a link with a valid CSRF token and an HTML payload, which is then rendered unescaped by rex_view::message(), executing the injected scripts in the context of the victim's backend session.
Users are advised to update REDAXO to version 5.21.0 or later, where this vulnerability has been patched.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 27, 2026CISA-ADP
Assessed Oct 27, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/redaxo/core/security/advisories/GHSA-m662-8jrj-cw6v | [email protected] | AdvisoryExploitVendor |
| https://www.vulncheck.com/advisories/redaxo-before-5.21.0-reflected-xss-via-metainfo-api-type-parameter | [email protected] | AdvisoryVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| REDAXO | <= 5.20.2 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 27, 2026 | CVE Modified | CISA-ADP |
| Oct 27, 2026 | New CVE Received | [email protected] |