CVE-2026-59923 Mistune: XSS via percent-encoded javascript URI bypass in safe_url()

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, HTMLRenderer.safeurl does not block percent-encoded javascript URIs, allowing attacker-supplied Markdown links or images to bypass URL protections and execute script in rendered HTML. This issue is fixed in version...

CVE-2026-43884 WWBN AVideo: SSRF Protection Bypass via HTTP Redirect and DNS Rebinding in isSSRFSafeURL()

WWBN AVideo is an open source video platform. In versions up to and including 29.0, two endpoints plugin/AI/receiveAsync.json.php and objects/EpgParser.php in AVideo call isSSRFSafeURL to validate user-supplied URLs, then fetch them using bare filegetcontents without disabling PHP's automatic...

WWBN AVideo 代码问题漏洞

WWBN AVideo is a video platform building system developed by the WWBN team using PHP. Versions of WWBN AVideo prior to 29.0 contained code vulnerabilities. These vulnerabilities stemmed from the use of isSSRFSafeURL, which only verified the initial URL. This could allow attackers to bypass SSRF...

CVE-2026-33237

CVE-2026-33237 affects WWBN AVideo. The Scheduler plugin’s run() path in plugin/Scheduler/Scheduler.php uses callbackURL with isValidURL() (URL format check) but omits isSSRFSafeURL(), allowing SSRF to RFC-1918/private and cloud metadata endpoints. Concrete details show the vulnerable code at Sch...

Unspecified Vulnerability in Flask-User

Flask-User is a software application. Customizable user authentication and user management, register, confirm, login, change username, password, forget password, etc. A security vulnerability exists in Flask-User, which can be exploited to bypass url authentication and redirect a user to an...