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TI-2016-09229 Aliases CVE-2016-20053GHSA-2r3p-9jrg-pvg9

Redaxo CMS 5.2 Cross-Site Request Forgery via users endpoint

Priority MEDIUM 64CWE-352Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Tampering
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-352.

Summary

Redaxo CMS 5.2 contains a cross-site request forgery vulnerability that allows unauthenticated attackers to create administrative user accounts by tricking authenticated administrators into visiting malicious pages. Attackers can craft HTML forms targeting the users endpoint with hidden fields containing admin credentials and account parameters to add new administrator accounts without user consent.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00152 4th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
redaxoRedaxo CMS5.2—No fix listedCNA
  • Redaxo CMS Vendorredaxo Affected 5.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:redaxo:redaxo:5.2:*:*:*:*:*:*:*5.2Vulnerableredaxo
  • cpe:2.3:a:redaxo:redaxo:5.2:*:*:*:*:*:*:* Versions 5.2 Vulnerable ·redaxo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2016-20053
  2. 2026-10-03 Alias added: GHSA-2r3p-9jrg-pvg9

References

Exploit 1

  • TI-2026-17559 Redaxo has Path Traversal in Backup Addon Leading to Arbitrary File Read CVSS 4.0HIGH 8.3
  • TI-2025-39517 A Remote Code Execution (RCE) vulnerability in the template management component in… CVSS 3.1HIGH 7.2
  • TI-2024-30898 REDAXO CMS v2.11.0 was discovered to contain a remote code execution (RCE) vulnerability. CVSS 3.1HIGH 7.2
  • TI-2024-30896 An arbitrary file upload vulnerability in the MediaPool module of Redaxo CMS v5.17.1… CVSS 3.1HIGH 7.2
  • TI-2024-16680 Redaxo v5.15.1 was discovered to contain a remote code execution (RCE) vulnerability via… CVSS 3.1HIGH 7.2
  • TI-2024-16678 An issue was discovered in REDAXO version 5.15.1, allows attackers to execute arbitrary… CVSS 3.1HIGH 7.2
See all 30 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences