CVE-2026-71573

Joomla CMS 4.0.0-5.4.7 and 6.0.0-6.1.2 contain an improper CORS origin validation flaw in core request handling, allowing unauthorized cross-origin requests to bypass configured origin restrictions. CVSS 4.0 scores it MEDIUM (6.9) with network vector and low attack complexity. No in-the-wild expl...

EUVD-2026-61034

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...

CVE-2026-71573

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...

CVE-2026-71573 Joomla! Core - [20260802] - Improper CORS origin validation in Joomla 4.0.0-5.4.7, 6.0.0-6.1.2

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...

CVE-2026-72531

CVE-2026-72531 is an improper access control vulnerability in Joomla! Core affecting versions 4.0.0–5.4.7 and 6.0.0–6.1.2 . The flaw resides in the custom fields webservice endpoints , where insufficient ACL checks allow a user with elevated privileges to create fields for components they do not ...

CVE-2026-72531 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

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...

CVE-2026-72531 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

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...

CVE-2026-72531

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...

EUVD-2026-61033

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...

EUVD-2026-61032

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...

CVE-2026-73336

In Joomla! 5.1.0–5.4.7 and 6.0.0–6.1.2, improper escaping flags allow cross-site scripting (XSS) through schema.org markup outputs. CVSS 4.0 scores it MEDIUM (5.1), requiring high privileges. No exploitation details are provided. Affected users should update to patched versions as announced by Jo...

CVE-2026-73336

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...

CVE-2026-73336 Joomla! Core - [20260806] - XSS through schema.org outputs in Joomla 5.1.0-5.4.7, 6.0.0-6.1.2

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...

CVE-2026-73336 Joomla! Core - [20260806] - XSS through schema.org outputs in Joomla 5.1.0-5.4.7, 6.0.0-6.1.2

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...

CVE-2026-73372

Joomla! 5.1.0–5.4.7 and 6.0.0–6.1.2 fail ACL checks when injecting contact data into schema.org snippets, exposing contact info for inaccessible items. CVSS 4.0 rates it MEDIUM (5.1); requires HIGH privileges. No exploitation details provided.

CVE-2026-73372 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

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...

CVE-2026-73372 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

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...

CVE-2026-73372

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...

EUVD-2026-61031

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...

CVE-2026-71572 Joomla! Core - [20260801] - Response header injection in download views in Joomla 3.0.0-5.4.7, 6.0.0-6.1.2

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...