CVE-2025-62800 FastMCP vulnerable to reflected XSS in client's callback page

FastMCP is the standard framework for building MCP applications. Versions prior to 2.13.0 have a reflected cross-site scripting vulnerability in the OAuth client callback page oauthcallback.py where unescaped user-controlled values are inserted into the generated HTML, allowing arbitrary JavaScri...

EUVD-2025-5230

Malicious code in bioql PyPI...

actionpack: Possible XSS via User Supplied Values to redirect_to

A Cross-site Scripting XSS vulnerability was found in Actionpack due to improper sanitization of user-supplied values. This allows provided values to contain characters that are not legal in an HTTP header value. This results in the potential for downstream services which enforce RFC compliance o...

CVE-2023-35141

In Jenkins 2.399 and earlier, LTS 2.387.3 and earlier, POST requests are sent in order to load the list of context actions. If part of the URL includes insufficiently escaped user-provided values, a victim may be tricked into sending a POST request to an unexpected endpoint by opening a context...

python: http protocol steam injection attack

It was found that the Python's httplib library used by urllib, urllib2 and others did not properly check HTTPConnection.putheader function arguments. An attacker could use this flaw to inject additional headers in a Python application that allowed user provided header names or values...