CVE-2026-65697

Fathom Lite through 1.3.1 contains a stored cross-site scripting vulnerability in the analytics collection endpoint that allows unauthenticated attackers to inject a javascript: URI into the Top Pages dashboard by supplying a crafted hostname and pathname to the unauthenticated /collect endpoint...

CVE-2026-65697 Fathom Lite 1.3.1 Stored XSS via /collect Endpoint

Fathom Lite through 1.3.1 contains a stored cross-site scripting vulnerability in the analytics collection endpoint that allows unauthenticated attackers to inject a javascript: URI into the Top Pages dashboard by supplying a crafted hostname and pathname to the unauthenticated /collect endpoint...

GHSA-8C25-4J27-2RV3 Mistune: XSS via percent-encoded javascript URI bypass in safe_url()

Summary An XSS vulnerability in Mistune allows bypassing of safeurl protections via percent-encoded javascript URIs. Details The vulnerability exists in HTMLRenderer.safeurl in Mistune. The function is intended to block harmful URL schemes such as "javascript:" by checking the prefix of the...

EUVD-2026-44760

Dashy is a self-hostable personal dashboard. From 1.9.4 until 3.2.0, the Dashy RSS Widget in src/components/Widgets/RssFeed.vue does not sanitize RSS item link values before rendering feed item titles and Read More links as anchor href attributes, allowing an attacker-controlled feed to provide a...

CVE-2026-45753

Symfony HtmlSanitizer UrlAttributeSanitizer omits action, formaction, poster, and cite URL-valued attributes, allowing javascript: URIs to bypass sanitization and enable XSS when forms or buttons are used. Affected: Symfony components prior to versions 6.4.40, 7.4.12, and 8.0.12. Mitigation: upgr...

CVE-2026-58228 Scheme validation bypass in Phoenix.LiveView.Utils leads to XSS via <.link>

Cross-site scripting vulnerability in phoenixframework phoenixliveview allows an attacker to bypass URL scheme validation and execute JavaScript in a victim's browser session. The Phoenix.LiveView.Utils.validdestination!/2 and Phoenix.LiveView.Utils.validlivenavigationdestination!/2 functions in...

CVE-2026-58228 Scheme validation bypass in Phoenix.LiveView.Utils leads to XSS via <.link>

Cross-site scripting vulnerability in phoenixframework phoenixliveview allows an attacker to bypass URL scheme validation and execute JavaScript in a victim's browser session. The Phoenix.LiveView.Utils.validdestination!/2 and Phoenix.LiveView.Utils.validlivenavigationdestination!/2 functions in...

CVE-2026-55665

Grist is spreadsheet software using Python as its formula language. Prior to 1.7.15, Grist contained two cross-site scripting vulnerabilities where an attacker-controlled value reached a link's href without scheme validation, so a javascript URL could run in a victim's Grist origin on a single...

CVE-2026-47733

Rocket.Chat CVE-2026-47733 affects the ImageElement in packages/gazzodown prior to 8.5.0, where user-controlled src values are inserted into and without protocol sanitization. An authenticated user can post markdown images with a javascript: URL that, on older browsers, could execute arbitrary ...

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-2026-45011

CVE-2026-45011 affects ApostropheCMS 4.29.0, where a stored XSS can be injected via a javascript: URL in an image widget link. A user with Editor rights can publish the widget, enabling arbitrary JavaScript execution when a viewer clicks the link. Public patch status: at time of publication there...

CVE-2026-53473 Migration-planner-ui-app: stored xss via javascript: url in agent credential link

A flaw was found in migration-planner-ui-app. An attacker can register a malicious discovery agent with a specially crafted credentialUrl containing JavaScript code. When an organizational user clicks this link in the user interface, the embedded malicious code executes within the user's browser...

Typebot.io has stored XSS via `javascript`: URI in text bubble links — bot author executes JS on visitors' browsers

Summary The Typebot viewer packages/embeds/js renders anchor tags from rich text bubble content without filtering the javascript: URI scheme. A bot author can set a link URL to javascript:PAYLOAD, which executes in the visitor's browser context when clicked. Since the viewer is typically embedded...

CVE-2026-39964

TypeBot is a chatbot builder tool. In versions prior to 3.16.0, the Typebot viewer packages/embeds/js renders anchor tags from rich text bubble content without filtering the javascript: URI scheme. A bot author can set a link URL to javascript:PAYLOAD, which executes in the visitor's browser...

CVE-2026-39964

TypeBot is a chatbot builder tool. In versions prior to 3.16.0, the Typebot viewer packages/embeds/js renders anchor tags from rich text bubble content without filtering the javascript: URI scheme. A bot author can set a link URL to javascript:PAYLOAD, which executes in the visitor's browser...

Astra Linux – Vulnerability in Firefox and Thunderbird

An iframe that was not permitted to run scripts could do so if the user clicked on a javascript: link. This vulnerability affects Firefox 102, Firefox ESR 91.11, Thunderbird 102, and Thunderbird 91.11...

PT-2026-39284

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description The AccountPending.svelte component renders admin-configured "Pending User Overlay Content" using marked.parse inside @html with an incorrect DOMPurify application order. DOMPurify is applied to t...

GHSA-WHQH-9PQ5-C7R3 phpMyFAQ has a SVG Sanitizer Entity Decoding Depth Limit Bypass Leading to Stored XSS

Summary The SvgSanitizer::decodeAllEntities method limits recursive entity decoding to 5 iterations. By wrapping each character of javascript in an href attribute value with 5 levels of & encoding around numeric HTML entities e.g., amp;amp;amp;106; for j, an attacker can bypass both isSafe...

phpMyFAQ has a SVG Sanitizer Entity Decoding Depth Limit Bypass Leading to Stored XSS

Summary The SvgSanitizer::decodeAllEntities method limits recursive entity decoding to 5 iterations. By wrapping each character of javascript in an href attribute value with 5 levels of & encoding around numeric HTML entities e.g., amp;amp;amp;106; for j, an attacker can bypass both isSafe...

EUVD-2026-24487

Docmost is open-source collaborative wiki and documentation software. Prior to 0.80.0, when leaving a comment on a page, it is possible to include a JavaScript URI as the link. When a user clicks on the link the JavaScript executes. This vulnerability is fixed in 0.80.0...