CVE-2021-26038

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An issue was discovered in Joomla! 2.5.0 through 3.9.27. Install action in com_installer lack the required hardcoded ACL checks for superusers. A default system is not affected cause the default ACL for com_installer is limited to super users already.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-754

Affected software

VendorProductVersions
Joomla! ProjectJoomla! CMS2.5.0-3.9.27

References

Timeline

Published
Jul 7, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-260396.1An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the imagelist view of com_media leads to a XSS vulnerabilityCVE-2021-260409.1An issue was discovered in Joomla! 4.0.0. The media manager does not correctly check the user's permissions before executing a file deletionCVE-2021-260675.3Affected versions of Atlassian Bamboo allow an unauthenticated remote attacker to view a stack trace that may reveal the path for the home dCVE-2021-260688.8An endpoint in Atlassian Jira Server for Slack plugin from version 0.0.3 before version 2.0.15 allows remote attackers to execute arbitrary CVE-2021-260695.3Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote attackers to download temporary files and enumerate CVE-2021-260707.2Affected versions of Atlassian Jira Server and Data Center allow remote attackers to evade behind-the-firewall protection of app-linked resoCVE-2021-260713.5The SetFeatureEnabled.jspa resource in Jira Server and Data Center before version 8.5.13, from version 8.6.0 before version 8.13.5, and fromCVE-2021-260724.3The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the cCVE-2021-260737.7Broken Authentication in Atlassian Connect Express (ACE) from version 3.0.2 before version 6.6.0: Atlassian Connect Express is a Node.js pacCVE-2021-260746.5Broken Authentication in Atlassian Connect Spring Boot (ACSB) from version 1.1.0 before version 2.1.3: Atlassian Connect Spring Boot is a JaCVE-2021-260754.3The Jira importers plugin AttachTemporaryFile rest resource in Jira Server and Data Center before version 8.5.12, from version 8.6.0 before CVE-2021-260763.7The jira.editor.user.mode cookie set by the Jira Editor Plugin in Jira Server and Data Center before version 8.5.12, from version 8.6.0 befo