CVE-2026-53962

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, insufficient SVG sanitization in upload and user avatar handling could lead to cross-site scripting when a user visited specific URLs that are not normally part of community browsing. This issue ...

CVE-2026-53962 Discourse: Insufficient SVG sanitization logic

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, insufficient SVG sanitization in upload and user avatar handling could lead to cross-site scripting when a user visited specific URLs that are not normally part of community browsing. This issue ...

CVE-2026-53962

Discourse (open‑source discussion platform) has an XSS vulnerability due to insufficient SVG sanitization in upload and avatar handling. Affected in versions prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5. The issue could be triggered by visiting specific URLs outside normal navigation; CVSS...

CVE-2026-54002 Kirby: Cross-site scripting (XSS) from incomplete HTML/XML sanitization in `Dom::sanitize()`

Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites and plugins that use the writer or list fields or call Dom::sanitize, Sane::sanitize, Sane::Html::sanitize, Sane::Svg::sanitize, Sane::Xml::sanitize, Sane::sanitizeFile, or file sanitizeContents with untruste...

CVE-2026-54002

Kirby CMS is affected by an XSS issue (CVE-2026-54002) in earlier releases. The vulnerability arises when untrusted input is processed by Dom::sanitize() and related sanitization helpers (Sane::sanitize, SaneHtml/SaneSvg/SaneXml, Sane::sanitizeFile, and file sanitizeContents), or when writer/list...

CVE-2026-54002 Kirby: Cross-site scripting (XSS) from incomplete HTML/XML sanitization in `Dom::sanitize()`

Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites and plugins that use the writer or list fields or call Dom::sanitize, Sane::sanitize, Sane::Html::sanitize, Sane::Svg::sanitize, Sane::Xml::sanitize, Sane::sanitizeFile, or file sanitizeContents with untruste...

CVE-2026-59926

A flaw was found in Mistune, a Python Markdown parser. The renderadmonition function in the Admonition directive concatenates user-controlled input into the HTML class attribute without proper escaping. This vulnerability allows for attribute injection and Cross-Site Scripting XSS attacks, even...

CVE-2026-13320

A flaw was found in GitLab. Under certain conditions, an authenticated user could exploit improper sanitization of user-supplied input. This vulnerability allows for the execution of arbitrary scripts within another user's browser session, commonly known as Cross-Site Scripting XSS. This could le...

CVE-2026-13441 EventPrime <= 4.3.4.2 - Unauthenticated Stored Cross-Site Scripting via 'new_event_type_background_color' Parameter

The EventPrime – Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'neweventtypebackgroundcolor' parameter in all versions up to, and including, 4.3.4.2 due to insufficient input sanitization and output escaping. This makes it possible...

CVE-2026-13253

The Ultimate Post plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'moreResultsText' block attribute of the ultimate-post/advanced-search block in versions up to and including 5.0.31. This is due to insufficient input sanitization and output escaping in the...

golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via HTML parsing bypass

A flaw was found in golang.org/x/net/html. When arbitrary HTML is parsed and then rendered, it can result in an unexpected HTML tree. This allows an attacker to bypass HTML sanitization mechanisms, leading to Cross-Site Scripting XSS attacks in applications. Such attacks can result in information...

golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting

A flaw was found in golang.org/x/net/html. A remote attacker could exploit this vulnerability by providing specially crafted HTML. When this arbitrary HTML is parsed and rendered, it can result in an unexpected HTML tree, bypassing input sanitization. This can be leveraged to execute Cross-Site...

CVE-2026-4653 Block, Suspend, Report for BuddyPress <= 3.6.4 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'link' Parameter

The Block, Suspend, Report for BuddyPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'link' parameter in versions up to and including 3.6.4. This is due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with...

EUVD-2026-42520

The Ultimate Post plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'moreResultsText' block attribute of the ultimate-post/advanced-search block in versions up to and including 5.0.31. This is due to insufficient input sanitization and output escaping in the...

golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via HTML parsing bypass

A flaw was found in golang.org/x/net/html. When arbitrary HTML is parsed and then rendered, it can result in an unexpected HTML tree. This allows an attacker to bypass HTML sanitization mechanisms, leading to Cross-Site Scripting XSS attacks in applications. Such attacks can result in information...

golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting

A flaw was found in golang.org/x/net/html. A remote attacker could exploit this vulnerability by providing specially crafted HTML. When this arbitrary HTML is parsed and rendered, it can result in an unexpected HTML tree, bypassing input sanitization. This can be leveraged to execute Cross-Site...

Linux Distros Unpatched Vulnerability : CVE-2026-6896

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - GitLab has remediated an issue in GitLab EE affecting all versions from 13.11 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain...

Linux Distros Unpatched Vulnerability : CVE-2026-13320

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.7 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain...

CVE-2026-13320

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.7 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to execute arbitrary scripts in another user's browser session due to improper...

CVE-2026-13320

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.7 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to execute arbitrary scripts in another user's browser session due to improper...