Moderate: Red Hat Security Advisory: mod_md security update

An update for modmd is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for ea...

CVE-2026-50190 Shaarli vulnerable to stored XSS via raw bookmark title in document <title> element on public permalink page

Shaarli is a personal bookmarking service. Versions prior to 0.16.3 are vulnerable to stored XSS in application/front/controller/visitor/BookmarkListController.php. The permalink handler concatenates the raw $bookmark-getTitle into the pagetitle template variable and the RainTPL template emits it...

CVE-2026-50190 Shaarli vulnerable to stored XSS via raw bookmark title in document <title> element on public permalink page

Shaarli is a personal bookmarking service. Versions prior to 0.16.3 are vulnerable to stored XSS in application/front/controller/visitor/BookmarkListController.php. The permalink handler concatenates the raw $bookmark-getTitle into the pagetitle template variable and the RainTPL template emits it...

CVE-2026-50190 Shaarli vulnerable to stored XSS via raw bookmark title in document <title> element on public permalink page

Shaarli is a personal bookmarking service. Versions prior to 0.16.3 are vulnerable to stored XSS in application/front/controller/visitor/BookmarkListController.php. The permalink handler concatenates the raw $bookmark-getTitle into the pagetitle template variable and the RainTPL template emits it...

python: Python: Cross-Site Scripting (XSS) vulnerability in http.cookies module

A flaw was found in Python's http.cookies module. The Morsel.jsoutput function, responsible for generating JavaScript output for cookies, does not properly neutralize the HTML sequence. This oversight could allow a remote attacker to inject malicious script into a web page, potentially leading to...

GHSA-JM5P-837G-RV8G Wagtail: Improper restriction handling on Page translation API endpoint

Impact A CMS user with the "submit translations" permission, could use the Admin API's "copy for translation" endpoint to copy an existing page that they do not have edit access to, allowing them to view its contents. Patches Patched versions have been released as Wagtail 7.0.9, 7.3.4, 7.4.3 and...

Wagtail: Improper restriction handling on Page translation API endpoint

Impact A CMS user with the "submit translations" permission, could use the Admin API's "copy for translation" endpoint to copy an existing page that they do not have edit access to, allowing them to view its contents. Patches Patched versions have been released as Wagtail 7.0.9, 7.3.4, 7.4.3 and...

GHSA-HQ84-X37P-J6Q5 Winter: Reflected XSS through the search query parameter in the backend Table widget

Impact Affected versions of Winter CMS render the search query parameter without HTML encoding inside a block in the backend Table widget partial modules/backend/widgets/table/partials/table.php: php value="" is an HTML raw-text context, so the surrounding value="…" attribute quoting is not a...

Winter: Reflected XSS through the search query parameter in the backend Table widget

Impact Affected versions of Winter CMS render the search query parameter without HTML encoding inside a block in the backend Table widget partial modules/backend/widgets/table/partials/table.php: php value="" is an HTML raw-text context, so the surrounding value="…" attribute quoting is not a...

GHSA-P2CH-C2C3-4XM5 Winter: CSRF through AJAX handler names reachable as backend page actions

Impact Affected versions of Winter CMS allow a backend AJAX handler to be invoked by a plain top-level GET navigation with no CSRF token. Backend\Classes\Controller::actionExists accepted any public method on a controller as a page action, so handler-shaped names were never reserved from URL...

Winter: CSRF through AJAX handler names reachable as backend page actions

Impact Affected versions of Winter CMS allow a backend AJAX handler to be invoked by a plain top-level GET navigation with no CSRF token. Backend\Classes\Controller::actionExists accepted any public method on a controller as a page action, so handler-shaped names were never reserved from URL...

GHSA-5CWR-5JXG-PCF6 Winter: Stored XSS through cached Brand Settings and Editor Settings custom styles

Impact Users with the backend.managebranding "Customize the back-end" or backend.manageeditor "Manage global code editor preferences" permission can provide custom CSS through Settings → Customize Backend → Styles or Settings → Editor Settings → Markup Styles that is compiled through the LESS CSS...

Winter: Stored XSS through cached Brand Settings and Editor Settings custom styles

Impact Users with the backend.managebranding "Customize the back-end" or backend.manageeditor "Manage global code editor preferences" permission can provide custom CSS through Settings → Customize Backend → Styles or Settings → Editor Settings → Markup Styles that is compiled through the LESS CSS...

GHSA-FM29-4MQ3-PHG6 Winter: ImportExportController AJAX handlers bypass granular import/export permission gate

Impact Affected versions of Winter CMS did not enforce the ImportExportController behavior's granular access control on the handlers that actually perform the work. The behavior supports per-operation access control through the importpermissions and exportpermissions configuration keys, enforced ...

Winter: ImportExportController AJAX handlers bypass granular import/export permission gate

Impact Affected versions of Winter CMS did not enforce the ImportExportController behavior's granular access control on the handlers that actually perform the work. The behavior supports per-operation access control through the importpermissions and exportpermissions configuration keys, enforced ...

GHSA-MPMW-F6H6-3G26 Winter: My Account preview exposes another backend user's profile by record ID

Impact Backend\Controllers\MyAccount, introduced in v1.2.13, declares an empty $requiredPermissions array so that any authenticated backend user can manage their own account. It implements the FormController behavior, which exposes three routable actions — create, update and preview — that each...

Winter: My Account preview exposes another backend user's profile by record ID

Impact Backend\Controllers\MyAccount, introduced in v1.2.13, declares an empty $requiredPermissions array so that any authenticated backend user can manage their own account. It implements the FormController behavior, which exposes three routable actions — create, update and preview — that each...

Winter: Authenticated Twig sandbox escape in CMS SecurityPolicy (bypass of CVE-2024-54149)

Impact Affected versions of Winter CMS allow authenticated backend users with CMS template-editing permissions to escape the Twig sandbox "safe mode" that is meant to restrict what template code can do. Using any of the following permissions, an attacker can read and modify arbitrary database...

GHSA-8CFW-PCWH-V63W Winter: Authenticated Twig sandbox escape in CMS SecurityPolicy (bypass of CVE-2024-54149)

Impact Affected versions of Winter CMS allow authenticated backend users with CMS template-editing permissions to escape the Twig sandbox "safe mode" that is meant to restrict what template code can do. Using any of the following permissions, an attacker can read and modify arbitrary database...

GHSA-8QJ2-C6Q4-F399 django CMS: Missing authorization in `render_object_structure` discloses non-PageContent placeholder structure to low-privileged staff

Summary The django-cms frontend-editing structure endpoint GET //admin/cms/placeholder/object//structure// did not perform an object-level authorization check for non-PageContent objects. Any authenticated, active staff user could request the structure endpoint for a frontend-editable object a...