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TI-2021-17804 Aliases CVE-2021-40889GHSA-hcrw-87mg-3f84

CMSUno version 1.7.2 is affected by a PHP code execution vulnerability.

Priority MEDIUM 46CWE-94Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-94.

Summary

CMSUno version 1.7.2 is affected by a PHP code execution vulnerability. sauvePass action in {webroot}/uno/central.php file calls to file_put_contents() function to write username in password.php file when a user successfully changed their password. The attacker can inject malicious PHP code into password.php and then use the login function to execute code.

Why it matters now

EPSS 0.01847 79th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cmsuno_project:cmsuno:1.7.2:*:*:*:*:*:*:*1.7.2VulnerableCmsuno Project
  • cpe:2.3:a:cmsuno_project:cmsuno:1.7.2:*:*:*:*:*:*:* Versions 1.7.2 Vulnerable ·Cmsuno Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-40889
  2. 2026-10-03 Alias added: GHSA-hcrw-87mg-3f84

References

  • TI-2020-15592 In CMSuno 1.6.2, an attacker can inject malicious PHP code as a "username" while changing… CVSS 3.1HIGH 8.8
  • TI-2020-15590 An authenticated attacker can inject malicious code into "lang" parameter in… CVSS 3.1HIGH 8.8
  • TI-2020-12275 An issue was discovered in CMSUno before 1.6.1. CVSS 3.1MEDIUM 6.5
  • TI-2021-14829 CMSuno 1.7 is vulnerable to an authenticated stored cross site scripting in modifying the… CVSS 3.1MEDIUM 5.4
  • TI-2018-11102 CMSUno before 1.5.3 has XSS via the title field. CVSS 3.0MEDIUM 6.1

Sources