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TI-2023-09555 Aliases CVE-2023-23752GHSA-jmc9-376w-885v

[20230201] - Core - Improper access check in webservice endpoints

Priority HIGH 81Exploited in the wildCWE-284Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-284.

Summary

An issue was discovered in Joomla! 4.0.0 through 4.2.7. An improper access check allows unauthorized access to webservice endpoints.

Why it matters now

Exploitation Active In CISA KEV since 2024-01-08CISA due date 2024-01-29
EPSS 0.99809 99th 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
Active
Automatable
Yes
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
Joomla!Joomla! CMS4.0.0-4.2.7—No fix listedCNA
  • Joomla! CMS VendorJoomla! Affected 4.0.0-4.2.7 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*4.0.0 to before 4.2.8VulnerableJoomla!
  • cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:* Versions 4.0.0 to before 4.2.8 Vulnerable ·Joomla!

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2024-01-08 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2023-23752
  3. 2026-10-03 Alias added: GHSA-jmc9-376w-885v

References

  • TI-2016-08118 The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow… KEVCVSS 3.1CRITICAL 9.8
  • TI-2017-06410 SQL injection vulnerability in Joomla! 3.7.x before 3.7.1 allows attackers to execute… CVSS 3.0CRITICAL 9.8
  • TI-2016-08129 The isMail transport in PHPMailer before 5.2.20 might allow remote attackers to pass… CVSS 3.1CRITICAL 9.8
  • TI-2016-07280 The register method in the UsersModelRegistration class in controllers/user.php in the… CVSS 3.0CRITICAL 9.8
  • TI-2015-07045 Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object… CVSS 2.0HIGH 7.5
  • TI-2015-06069 SQL injection vulnerability in Joomla! 3.2 before 3.4.4 allows remote attackers to… CVSS 2.0HIGH 7.5
See all 339 →

Sources