Description
REDAXO before 5.21.0 contains a reflected cross-site scripting vulnerability in the backend packages API, where the function parameter is concatenated into an error message rendered without HTML escaping. Attackers can lure an authenticated backend user to a crafted link containing a valid CSRF token, executing JavaScript that performs same-origin actions or reads DOM data.
Published: 2026-10-27
Score: 2.1 Low
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Tue, 27 Oct 2026 13:00:00 +0000

Type Values Removed Values Added
First Time appeared Redaxo core
Vendors & Products Redaxo core

Tue, 27 Oct 2026 11:15:00 +0000

Type Values Removed Values Added
Description REDAXO before 5.21.0 contains a reflected cross-site scripting vulnerability in the backend packages API, where the function parameter is concatenated into an error message rendered without HTML escaping. Attackers can lure an authenticated backend user to a crafted link containing a valid CSRF token, executing JavaScript that performs same-origin actions or reads DOM data.
Title REDAXO before 5.21.0 Reflected XSS via Packages API function Parameter
First Time appeared Redaxo
Redaxo redaxo
Weaknesses CWE-79
CPEs cpe:2.3:a:redaxo:redaxo:*:*:*:*:*:*:*:*
Vendors & Products Redaxo
Redaxo redaxo
References
Metrics cvssV3_1

{'score': 4.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L'}

cvssV4_0

{'score': 2.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-27T10:59:32.772Z

Reserved: 2026-10-27T10:33:39.045Z

Link: CVE-2026-117538

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-27T11:17:34.493

Modified: 2026-10-27T11:17:34.493

Link: CVE-2026-117538

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-27T13:00:03Z

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')