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TI-2018-12692 Aliases CVE-2018-17856GHSA-9m72-pw47-292w

An issue was discovered in Joomla! before 3.8.13.

Priority LOW 37Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.

Summary

An issue was discovered in Joomla! before 3.8.13. com_joomlaupdate allows the execution of arbitrary code. The default ACL config enabled the ability of Administrator-level users to access com_joomlaupdate and trigger code execution.

Why it matters now

EPSS 0.02694 85th percentileScored 2026-11-07
Fix Fixed joomla/framework (Packagist): 3.8.13

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
—joomla/framework (Packagist)2.5.4 to before 3.8.133.8.13Patch availableGHSA-9m72-pw47-292w
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • joomla/framework (Packagist) Vendor— Affected 2.5.4 to before 3.8.13 Fixed in 3.8.13 Patch available GHSA-9m72-pw47-292w

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*2.5.4 to before 3.8.13VulnerableJoomla!
  • cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:* Versions 2.5.4 to before 3.8.13 Vulnerable ·Joomla!

Remediation

  • Fix · GHSA-9m72-pw47-292w joomla/framework (Packagist) Fixed in 3.8.13 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-17856
  2. 2026-10-03 Alias added: GHSA-9m72-pw47-292w

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-2023-09555 [20230201] - Core - Improper access check in webservice endpoints KEVCVSS 3.1MEDIUM 5.3
  • 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
See all 339 →

Sources