CVE-2026-73373 Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2

Joomla! Core - 20260810 - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2 - The default list of dangerous files did not include SHTML files. On servers that executed these files, that could lead to code execution...

CVE-2026-73373

Joomla! Core's default dangerous-file blocklist omitted SHTML files, allowing an authenticated administrator (CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N) to upload an SHTML file that, on servers configured to execute SHTML, yields remote code execution. Affected versions are 1.0.0–5.4.7 and 6.0.0–6.1.2. R...

EUVD-2026-61026

Joomla! Core - 20260810 - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2 - The default list of dangerous files did not include SHTML files. On servers that executed these files, that could lead to code execution...

CVE-2026-73373 Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2

Joomla! Core - 20260810 - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2 - The default list of dangerous files did not include SHTML files. On servers that executed these files, that could lead to code execution...

CVE-2026-71574 Joomla! Core - [20260803] - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2

Joomla! Core - 20260803 - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to perform mutation actions in webservice endpoints, where the same mutation was restricted in the backend UI...

CVE-2026-71574 Joomla! Core - [20260803] - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2

Joomla! Core - 20260803 - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to perform mutation actions in webservice endpoints, where the same mutation was restricted in the backend UI...

CVE-2026-71574

Joomla! 4.0.0-5.4.7 and 6.0.0-6.1.2 have inconsistent ACL checks on webservice endpoints, allowing authenticated users with high privileges to perform mutating actions that are restricted in the backend UI. CVSS 8.5 (HIGH) reflects confidentiality and integrity impact. No patch version is specifi...

CVE-2026-71574

Joomla! Core - 20260803 - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to perform mutation actions in webservice endpoints, where the same mutation was restricted in the backend UI...

EUVD-2026-61025

Joomla! Core - 20260803 - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to perform mutation actions in webservice endpoints, where the same mutation was restricted in the backend UI...

PT-2026-77198

Joomla! Core - 20260808 - Improper ACL checks for batch copy actions in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to perform copy batch operations on uneditable items...

PT-2026-77194

Joomla! Core - 20260804 - Improper ACL checks for custom fields webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to create fields for inaccessible components...

PT-2026-77195

Joomla! Core - 20260806 - Improper ACL checks for category webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to create categories via webservices endpoints...

Joomla 1.0.x < 5.4.8 / 6.0.x < 6.1.3 Joomla 6.1.3 & 5.4.8 Security & Bugfix Release (joomla-6-1-3-5-4-8-security-bugfix-release)

According to its self-reported version, the instance of Joomla! running on the remote web server is 1.0.x prior to 5.4.8 or 6.0.x prior to 6.1.3. It is, therefore, affected by a vulnerability. - Joomla! Core - 20260810 - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2 - The...

PT-2026-77192

Joomla! Core - 20260802 - Improper CORS origin validation in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper implementation prevented configured CORS origins from being properly validated in CORS requests...

PT-2026-77196

Joomla! Core - 20260806 - XSS through schema.org outputs in Joomla 5.1.0-5.4.7, 6.0.0-6.1.2 - Improper escaping flags lead to an XSS vector in schema.org markup outputs...

PT-2026-77197

Joomla! Core - 20260807 - MFA Authentication Bypass in Joomla 4.0.0-5.4.7 and 6.0.0-6.1.2 - Insufficient state checks lead to a vector that allows to bypass 2FA checks...

PT-2026-77200

Name of the Vulnerable Software and Affected Versions Joomla! Core versions 1.0.0 through 5.4.7 Joomla! Core versions 6.0.0 through 6.1.2 Description The software fails to include SHTML files in its default list of dangerous files, allowing unrestricted uploads of these files. On servers configur...

PT-2026-77193

Joomla! Core - 20260803 - Inconsistent ACL checks for mutating webservice endpoints in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2 - An improper access check allows unauthorized users to perform mutation actions in webservice endpoints, where the same mutation was restricted in the backend UI...

PT-2026-77191

Joomla! Core - 20260801 - Response header injection in download views in Joomla 3.0.0-5.4.7, 6.0.0-6.1.2 - Lack of output processing allowed a header injection in the multiple download views, leading to reflected file download / content-type confusion...

PT-2026-77199

Joomla! Core - 20260809 - Improper ACL checks when injection schema.org contact data in Joomla 5.1.0-5.4.7 and 6.0.0-6.1.2 - An improper access check injects contact information for unaccessible contact items into schema.org snippets...