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TI-2026-51755 Aliases CVE-2026-73671GHSA-jjjg-67rc-qf87

Saurus CMS Unauthenticated Open Redirect via logout url parameter

Priority MEDIUM 56CWE-601Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-601.

Summary

Saurus CMS Community Edition contains an unauthenticated open redirect vulnerability in the logout handling code in classes/port.inc.php, where the url parameter supplied via GET or POST is passed directly to the Location header without domain allowlist, scheme validation, or relative path enforcement. Attackers can craft a malicious logout URL containing an arbitrary external domain or javascript: URI scheme to redirect authenticated users to attacker-controlled phishing pages after session destruction, enabling credential theft and OAuth redirect abuse.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0031 23rd percentileScored 2026-11-07
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
SaurusSaurus CMS Community Editionup to d886e5b—No fix listedCNA
  • Saurus CMS Community Edition VendorSaurus Affected up to d886e5b Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-73671
  2. 2026-10-03 Alias added: GHSA-jjjg-67rc-qf87

References

Other 2

  • TI-2026-51754 CMS Admin SQL Injection via db_data.php table_name Parameter CVSS 4.0HIGH 8.6
  • TI-2015-01396 Multiple cross-site scripting (XSS) vulnerabilities in Saurus CMS 4.7.0 allow remote… CVSS 2.0MEDIUM 4.3
  • TI-2015-00815 Multiple cross-site scripting (XSS) vulnerabilities in the print_language_selectbox… CVSS 2.0MEDIUM 4.3
  • TI-2010-01913 Cross-site scripting (XSS) vulnerability in admin/edit.php in Saurus CMS 4.7.0 allows… CVSS 2.0LOW 2.1

Sources

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