Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the /-/api/sanitizeipynb endpoint, which fails to properly restrict data URI schemes in Jupyter Notebook sanitization. An attacker can execute arbitrary JavaScript in the context of another user by submittin...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the /-/api/sanitizeipynb endpoint, which fails to properly restrict data URI schemes in Jupyter Notebook sanitization. An attacker can execute arbitrary JavaScript in the context of another user by submittin...

CVE-2026-52816 Gogs: Unauthenticated Jupyter Notebook (ipynb) Sanitizer allows arbitrary data: URIs leading to XSS

Gogs is an open source self-hosted Git service. Prior to 0.14.3, the Jupyter Notebook ipynb sanitizer endpoint at POST /-/api/sanitizeipynb allows arbitrary data: URIs without proper restrictions, potentially leading to Cross-Site Scripting XSS. The endpoint uses bluemonday.UGCPolicy with...

CVE-2026-52816

Gogs is an open source self-hosted Git service. Prior to 0.14.3, the Jupyter Notebook ipynb sanitizer endpoint at POST /-/api/sanitizeipynb allows arbitrary data: URIs without proper restrictions, potentially leading to Cross-Site Scripting XSS. The endpoint uses bluemonday.UGCPolicy with...

CVE-2026-52816 Gogs: Unauthenticated Jupyter Notebook (ipynb) Sanitizer allows arbitrary data: URIs leading to XSS

Gogs is an open source self-hosted Git service. Prior to 0.14.3, the Jupyter Notebook ipynb sanitizer endpoint at POST /-/api/sanitizeipynb allows arbitrary data: URIs without proper restrictions, potentially leading to Cross-Site Scripting XSS. The endpoint uses bluemonday.UGCPolicy with...

EUVD-2026-39076

Gogs is an open source self-hosted Git service. Prior to 0.14.3, the Jupyter Notebook ipynb sanitizer endpoint at POST /-/api/sanitizeipynb allows arbitrary data: URIs without proper restrictions, potentially leading to Cross-Site Scripting XSS. The endpoint uses bluemonday.UGCPolicy with...

CVE-2026-52816 Gogs: Unauthenticated Jupyter Notebook (ipynb) Sanitizer allows arbitrary data: URIs leading to XSS

Gogs is an open source self-hosted Git service. Prior to 0.14.3, the Jupyter Notebook ipynb sanitizer endpoint at POST /-/api/sanitizeipynb allows arbitrary data: URIs without proper restrictions, potentially leading to Cross-Site Scripting XSS. The endpoint uses bluemonday.UGCPolicy with...

CVE-2026-54588

A flaw was found in Poweradmin, a web-based DNS administration tool. An unauthenticated attacker can exploit this vulnerability by manipulating the HTTPHOST request header. This manipulation allows the attacker to poison the redirecturi used in the OpenID Connect OIDC, Security Assertion Markup...

CVE-2026-9643 WP Meta SEO <= 4.5.18 - Unauthenticated Stored Cross-Site Scripting via REQUEST_URI in 404 Logging

The WP Meta SEO plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting via the REQUESTURI server variable in all versions up to, and including, 4.5.18. When the plugin's wpmsTemplateRedirect hook detects a 404, it concatenates $SERVER'HTTPHOST' with the raw...

EUVD-2026-38678

The WP Meta SEO plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting via the REQUESTURI server variable in all versions up to, and including, 4.5.18. When the plugin's wpmsTemplateRedirect hook detects a 404, it concatenates $SERVER'HTTPHOST' with the raw...

PT-2026-51700

Name of the Vulnerable Software and Affected Versions WP Meta SEO versions prior to 4.5.19 Description Unauthenticated Stored Cross-Site Scripting occurs when the wpmsTemplateRedirect hook detects a 404 error. The plugin concatenates $ SERVER'HTTP HOST' with the raw $ SERVER'REQUEST URI' and...

CVE-2026-54588

Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 use the attacker-controlled HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An...

CVE-2026-54588 Poweradmin has Host Header Injection in OIDC redirect_uri, SAML ACS/SLO URL, and Logout Redirect Construction.

Poweradmin is a web-based DNS administration tool for PowerDNS server. Versions prior to 4.2.4 and 4.3.3 use the attacker-controlled HTTPHOST request header as the authoritative source for building callback URLs in its OIDC, SAML, and logout authentication flows without any validation. An...

CVE-2026-46553

NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, the upload-by-URL path did not enforce NCATTACHMENTFIELDSIZE against either the remote file's advertised Content-Length or the decoded length of a data: URI, allowing an authenticated user to bypass the configured...

CVE-2026-46547

NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, a reflected XSS vulnerability exists in the Page Leaving Warning page. The ncRedirectUrl and ncBackUrl query parameters are used in window.location.href and tag bindings without validation, allowing javascript: URI...

CVE-2026-46547

NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, a reflected XSS vulnerability exists in the Page Leaving Warning page. The ncRedirectUrl and ncBackUrl query parameters are used in window.location.href and tag bindings without validation, allowing javascript: URI...

CVE-2026-46547 NocoDB: Reflected Cross-Site Scripting via Page Leaving Redirect URL

NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, a reflected XSS vulnerability exists in the Page Leaving Warning page. The ncRedirectUrl and ncBackUrl query parameters are used in window.location.href and tag bindings without validation, allowing javascript: URI...

CVE-2026-54009

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, POST /api/chat/completions accepts an imageurl.url value that, when it does NOT start with http://, https://, or data:image/, is interpreted as a file id and resolved against the...

Gogs's Unauthenticated Jupyter Notebook (ipynb) Sanitizer allows arbitrary data: URIs leading to XSS

Summary The Jupyter Notebook ipynb sanitizer endpoint at POST /-/api/sanitizeipynb allows arbitrary data: URIs without proper restrictions, potentially leading to Cross-Site Scripting XSS. The endpoint uses bluemonday.UGCPolicy with p.AllowURLSchemes"data" which permits all data URI schemes...

CVE-2026-54009

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, POST /api/chat/completions accepts an imageurl.url value that, when it does NOT start with http://, https://, or data:image/, is interpreted as a file id and resolved against the...