CVE-2025-62800

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...

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...

Use of Hard-coded Cryptographic Key

Overview Affected versions of this package are vulnerable to Use of Hard-coded Cryptographic Key in the form of AuthSecretKey, StateSecretKey, and OAuthTokenSecretKey as defined in aes.go, which are used when generating the callback URL for OAuth authentication. Remediation Upgrade...

📄 Invision Community 5.0.7 Cross Site Scripting

Invision Community versions 5.0.7 and below have an issue where user input passed through the state POST parameter to the /oauth/callback/index.php script is not properly sanitized before being used to generate HTML output. This can be exploited by attackers to perform reflected cross site...

PT-2025-30555 · Invision Power Board · Invision Community

Name of the Vulnerable Software and Affected Versions: Invision Community versions 5.0.0 through 5.0.7 Description: The software contains a reflected cross-site scripting issue in the oauth/callback endpoint. Recommendations: Update to a version later than 5.0.7. As a temporary workaround, consid...

GHSA-3Q97-VJPP-C8RP Socialstream has a Potential Account Takeover Vulnerability in Social Account Linking Due to Missing User Consent After OAuth Callback

Description When linking a social account to an already authenticated user, the lack of a confirmation step introduces a security risk. This is exacerbated if -stateless is used in the Socialite configuration, bypassing state verification and making the exploit easier. Developers should ensure th...

Socialstream has a Potential Account Takeover Vulnerability in Social Account Linking Due to Missing User Consent After OAuth Callback

Description When linking a social account to an already authenticated user, the lack of a confirmation step introduces a security risk. This is exacerbated if -stateless is used in the Socialite configuration, bypassing state verification and making the exploit easier. Developers should ensure th...

Open Redirects

github.com/concourse/atc is vulnerable to open redirect attacks. These attacks are possible because the oauthcallbackhandler doesn't validate that the redirect URL is one within the website...

CVE-2016-5663

Multiple cross-site scripting XSS vulnerabilities in oauthcallback.php on Accellion Kiteworks appliances before kw2016.03.00 allow remote attackers to inject arbitrary web script or HTML via the 1 code, 2 error, or 3 errordescription parameter...

CVE-2016-5663

Multiple cross-site scripting XSS vulnerabilities in oauthcallback.php on Accellion Kiteworks appliances before kw2016.03.00 allow remote attackers to inject arbitrary web script or HTML via the 1 code, 2 error, or 3 errordescription parameter...