CVE-2026-50740

Affected software/issue: Revive Adserver

CVE-2026-50740

A missing sanitisation vulnerability of user input in the zone-include.php script exists in Revive Adserver 6.0.7 and earlier. A low‑privileged user could exploit the refresh parameter of the iFrame invocation tag to perform reflected XSS attacks...

CVE-2026-54025 LibreChat: Stored XSS via unescaped image alt text in markdown artifact preview

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, there is a vulnerability in LibreChat's markdown artifact preview pipeline. The marked library v15.0.12 does not HTML-escape double-quote characters in image alt text when a custom renderer falls throu...

CVE-2026-54759

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, Lute's HTML sanitizer does not remove elements. Combined with the SiYuan Electron client's permissive security configuration, an attacker can include a malicious in a Bazaar package README that executes arbitrary...

CVE-2026-54759

SiYuan’s Lute HTML sanitizer (prior to version 3.7.0) fails to remove elements. When combined with the SiYuan Electron client’s permissive security configuration, a malicious in a Bazaar package README can trigger arbitrary command execution on the victim’s machine when package details are view...

CVE-2026-54759 SiYuan: Lute HTML sanitizer allows `<iframe>` tags in Bazaar package README, leading to arbitrary command execution via SiYuan Electron client

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, Lute's HTML sanitizer does not remove elements. Combined with the SiYuan Electron client's permissive security configuration, an attacker can include a malicious in a Bazaar package README that executes arbitrary...

PT-2026-52112

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.0 Description Lute's HTML sanitizer fails to remove elements. When combined with the permissive security configuration of the SiYuan Electron client, this allows an attacker to embed a malicious within a Bazaar...

CVE-2025-71331

Flowise before 3.0.8 contains a cross-site scripting XSS vulnerability caused by insufficient input filtering in chat messages and custom agent functions. An attacker can inject malicious JavaScript by sending an iframe payload e.g., in a chat box, or by having a custom agent function return an X...

EUVD-2025-210289

Flowise before 3.0.8 contains a cross-site scripting XSS vulnerability caused by insufficient input filtering in chat messages and custom agent functions. An attacker can inject malicious JavaScript by sending an iframe payload e.g., in a chat box, or by having a custom agent function return an X...

CVE-2025-71331

Flowise (pre-3.0.8) exposes a Cross-Site Scripting (XSS) vulnerability due to insufficient input filtering in chat messages and custom agent functions. An attacker can inject malicious JavaScript via an iframe payload in chat or have a custom agent function return an external XSS payload. The inj...

CVE-2025-71331 Flowise - Cross-Site Scripting in Chat Messages and Agent Workflows

Flowise before 3.0.8 contains a cross-site scripting XSS vulnerability caused by insufficient input filtering in chat messages and custom agent functions. An attacker can inject malicious JavaScript by sending an iframe payload e.g., in a chat box, or by having a custom agent function return an X...

PT-2026-51145

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.0.8 Description Insufficient input filtering in chat messages and custom agent functions allows for cross-site scripting XSS, a flaw where malicious scripts are injected into trusted websites. An attacker can execut...

GHSA-CW6H-FFMH-X6VH Anki: User scripts in iframes have access to the internal Anki API

Summary Anki's webview-based pages communicate with the Rust backend using an internal localhost API. Anki implements measures to prevent user scripts run in the reviewer/editor from accessing this API https://github.com/ankitects/anki/pull/3925 but it inadvertently allows access to scripts...

GHSA-H5JC-78HR-3PC9 Sveltia CMS: Stored XSS in Markdown/RichText preview via unsandboxed same-origin iframe

Impact A stored cross-site scripting XSS vulnerability affected the Markdown/RichText field preview renderer in Sveltia CMS. The DOMPurify sanitization configuration used for Markdown previews explicitly permitted iframe elements without enforcing a sandbox attribute or restricting iframe sources...

GHSA-5C7P-G73Q-RPG5 StarCitizenWiki Extension Embed Video: Stored XSS via malformed src url with $wgEmbedVideoRequireConsent enabled

Summary With $wgEmbedVideoRequireConsent enabled the default, the urls for videos are stored in a json-ified data attributedata-mw-iframeconfig. When given a malformed url or id, the data-mw-iframeconfig attribute can be escaped via single quotes, allowing for html/javascript injection. Details T...

PT-2026-56266

Name of the Vulnerable Software and Affected Versions Anki versions prior to 25.09.4 Description Webview-based pages communicate with the Rust backend via an internal localhost API. User scripts included through iframes in the editor can bypass protections to access this API. A malicious imported...

CVE-2026-12047

CVE-2026-12047 – pgAdmin 4 : HTML injection in the cloud deployment module arises when unsanitised exception text (from verify_credentials, deploy, and related endpoints under /rds/, /azure/, /google/, and /cloud/) is echoed into JSON response fields (info/errormsg) and rendered by the Cloud Wiza...

CVE-2026-12047 pgAdmin 4: HTML injection in cloud verify_credentials / deploy endpoints via unsanitised SDK exception text

HTML injection in pgAdmin 4's cloud deployment module. The verifycredentials, deploy, regions, and update-server endpoints under /rds/, /azure/, /google/, and the top-level /cloud/ blueprint propagated AWS / Azure / Google SDK exception text — and the related file-resolution and database-commit...

EUVD-2026-36632

Information disclosure vulnerability in Avira Password Manager when used with Mozilla Firefox may allow a remote attacker operating a cross-origin iframe to obtain credentials autofilled for the parent web page via incorrect autofill field selection. This issue affects Avira Password Manager when...

CVE-2026-12068

Information disclosure vulnerability in Avira Password Manager when used with Mozilla Firefox may allow a remote attacker operating a cross-origin iframe to obtain credentials autofilled for the parent web page via incorrect autofill field selection. This issue affects Avira Password Manager when...