PT-2026-52463

A Joomla user with K2 "create item" rights Author tier by default can submit an article whose embedVideo POST field contains a raw tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page...

PT-2026-52443

Malicious HTML content could be injected into the content rendered by the pretix-digital plugin...

VulnCheck KEV: CVE-2026-28496

FOSSBilling is a free, open-source billing and client management system. Versions prior to 0.8.0 have a Server-Side Template Injection SSTI vulnerability in the template rendering system. Administrators with access to features that render Twig templates email templates, mass mail campaigns, custo...

CVE-2026-47110

Tiptap for PHP before version 2.1.1 contains an input validation vulnerability that allows authenticated attackers to cause a denial of service by submitting Tiptap JSON with the attrs.href field set to an array instead of a string, causing an unhandled TypeError in the Link::isAllowedUri functio...

CVE-2026-47110 Tiptap for PHP < 2.1.1 DoS via Malformed href Attribute

Tiptap for PHP before version 2.1.1 contains an input validation vulnerability that allows authenticated attackers to cause a denial of service by submitting Tiptap JSON with the attrs.href field set to an array instead of a string, causing an unhandled TypeError in the Link::isAllowedUri functio...

CVE-2026-47110

Tiptap for PHP before version 2.1.1 contains an input validation vulnerability: if attrs.href is submitted as an array in Tiptap JSON, Link::isAllowedUri() can trigger an unhandled TypeError during preg_match(), crashing the server-side HTML rendering pipeline for all subsequent viewers of that r...

CVE-2026-54158

SiYuan CVE-2026-54158: A stored XSS in the attribute-view cell renderer (genAVValueHTML) can break out of its tag with crafted values in text/url/phone/mAsset, potentially leading to RCE in Electron if nodeIntegration is enabled. The issue persists in AV files under the workspace and propagates a...

CVE-2026-54158 SiYuan: Stored XSS to RCE via attribute-view cell rendering in genAVValueHTML()

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, the attribute-view database cell renderer genAVValueHTML interpolates cell content raw in four of its branches: text, url, phone, and mAsset. A cell value like or " breaks out of its surrounding tag and runs arbitrary...

CVE-2026-54158 SiYuan: Stored XSS to RCE via attribute-view cell rendering in genAVValueHTML()

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, the attribute-view database cell renderer genAVValueHTML interpolates cell content raw in four of its branches: text, url, phone, and mAsset. A cell value like or " breaks out of its surrounding tag and runs arbitrary...

CVE-2026-54070

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, renderPackageREADME in kernel/bazaar/readme.go renders a Bazaar package README from Markdown to HTML with the lute engine and SetSanitizetrue. The lute sanitizer is an event-handler blocklist: allowAttr rejects only...

CVE-2026-54070

CVE-2026-54070 — SiYuan : A Stored XSS in the Bazaar marketplace path arises before v3.7.0. renderPackageREADME converts Markdown READMEs to HTML using lute with SetSanitize(true), but the event-handler blocklist misses several modern handlers, allowing attributes like onpointerover, onpointerdow...

CVE-2026-54070 SiYuan: Stored XSS in Bazaar marketplace via package README event handlers

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, renderPackageREADME in kernel/bazaar/readme.go renders a Bazaar package README from Markdown to HTML with the lute engine and SetSanitizetrue. The lute sanitizer is an event-handler blocklist: allowAttr rejects only...

CVE-2026-52798

Gogs is an open source self-hosted Git service. Prior to 0.14.3, although .ipynb previews are sanitized on the server side via /-/api/sanitizeipynb, the inserted content is re-rendered on the client side without sanitization using marked on elements with the .nb-markdown-cell class. During this...

CVE-2026-52798 Gogs: Stored XSS in `.ipynb` Preview

Gogs is an open source self-hosted Git service. Prior to 0.14.3, although .ipynb previews are sanitized on the server side via /-/api/sanitizeipynb, the inserted content is re-rendered on the client side without sanitization using marked on elements with the .nb-markdown-cell class. During this...

CVE-2026-52798

Gogs is an open source self-hosted Git service. Prior to 0.14.3, although .ipynb previews are sanitized on the server side via /-/api/sanitizeipynb, the inserted content is re-rendered on the client side without sanitization using marked on elements with the .nb-markdown-cell class. During this...

CVE-2026-52798 Gogs: Stored XSS in `.ipynb` Preview

Gogs is an open source self-hosted Git service. Prior to 0.14.3, although .ipynb previews are sanitized on the server side via /-/api/sanitizeipynb, the inserted content is re-rendered on the client side without sanitization using marked on elements with the .nb-markdown-cell class. During this...

CVE-2026-52798

Gogs (self-hosted Git service) is affected by CVE-2026-52798: prior to 0.14.3, .ipynb previews are sanitized server-side, but the client-side re-rendering with marked() on .nb-markdown-cell can regenerate javascript: links, enabling Stored XSS when a victim clicks a crafted link in an attacker-su...

EUVD-2026-39066

Gogs is an open source self-hosted Git service. Prior to 0.14.3, although .ipynb previews are sanitized on the server side via /-/api/sanitizeipynb, the inserted content is re-rendered on the client side without sanitization using marked on elements with the .nb-markdown-cell class. During this...

CVE-2026-52798 Gogs: Stored XSS in `.ipynb` Preview

Gogs is an open source self-hosted Git service. Prior to 0.14.3, although .ipynb previews are sanitized on the server side via /-/api/sanitizeipynb, the inserted content is re-rendered on the client side without sanitization using marked on elements with the .nb-markdown-cell class. During this...

CVE-2026-52796 Gogs: DoS in rendering issue index pattern

Gogs is an open source self-hosted Git service. Prior to 0.14.3, specially crafted issue index pattern can cause a panic when rendering, resulting in denial of service. In internal/markup/markup.go, RenderIssueIndexPattern renders the issue index pattern to a link using com.Expand, which is not...