GO-2026-5662 Prometheus has Stored XSS via metric names and label values in Prometheus web UI in github.com/prometheus/prometheus

Prometheus has Stored XSS via metric names and label values in Prometheus web UI in github.com/prometheus/prometheus...

GO-2026-5661 Gogs has DOM-based XSS via Milestone Name on New Issue Page in gogs.io/gogs

Gogs has DOM-based XSS via Milestone Name on New Issue Page in gogs.io/gogs. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability scanners, please...

GO-2026-5637 MCP Registry vulnerable to stored XSS in catalogue UI via attribute-quote breakout in publisher-controlled `websiteUrl` in github.com/modelcontextprotocol/registry

MCP Registry vulnerable to stored XSS in catalogue UI via attribute-quote breakout in publisher-controlled websiteUrl in github.com/modelcontextprotocol/registry...

GO-2026-5540 SiYuan: Remote Code Execution in the Electron desktop client via stored XSS in synced table captions in github.com/siyuan-note/siyuan/kernel

SiYuan: Remote Code Execution in the Electron desktop client via stored XSS in synced table captions in github.com/siyuan-note/siyuan/kernel...

GO-2026-5561 Arcane Backend: Unauthenticated reflected XSS via SVG color parameter enables admin account takeover in github.com/getarcaneapp/arcane/backend

Arcane Backend: Unauthenticated reflected XSS via SVG color parameter enables admin account takeover in github.com/getarcaneapp/arcane/backend...

GO-2026-5577 Kyverno policy-reporter-ui has XSS via Stored Property Values in PropertyCard Component in github.com/kyverno/policy-reporter-ui

Kyverno policy-reporter-ui has XSS via Stored Property Values in PropertyCard Component in github.com/kyverno/policy-reporter-ui...

GO-2026-5560 podinfo: cross-site scripting vulnerability in the /echo and /api/echo endpoints in github.com/stefanprodan/podinfo

podinfo: cross-site scripting vulnerability in the /echo and /api/echo endpoints in github.com/stefanprodan/podinfo...

GO-2026-5172 Ech0 has Stored XSS via SVG Upload and Content-Type Validation Bypass in File Upload in github.com/lin-snow/ech0

Ech0 has Stored XSS via SVG Upload and Content-Type Validation Bypass in File Upload in github.com/lin-snow/ech0. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports...

GO-2026-5477 Gogs has Stored XSS in `.ipynb` Preview in gogs.io/gogs

Gogs has Stored XSS in .ipynb Preview in gogs.io/gogs. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the...

GO-2026-5418 Argo CD: Stored XSS in application link annotations enables developer-to-admin privilege escalation in github.com/argoproj/argo-cd

Argo CD: Stored XSS in application link annotations enables developer-to-admin privilege escalation in github.com/argoproj/argo-cd...

CVE-2020-37256

Grav before 1.6.30 contains a cross-site scripting vulnerability in the Admin plugin page editor default security configuration. Privileged users with page editing capabilities can inject malicious scripts to execute arbitrary code and install malicious plugins for system access...

CVE-2020-37256

Grav before 1.6.30 contains a cross-site scripting vulnerability in the Admin plugin page editor default security configuration. Privileged users with page editing capabilities can inject malicious scripts to execute arbitrary code and install malicious plugins for system access...

CVE-2020-37256 Grav - Cross-Site Scripting in Admin Plugin Page Editor

Grav before 1.6.30 contains a cross-site scripting vulnerability in the Admin plugin page editor default security configuration. Privileged users with page editing capabilities can inject malicious scripts to execute arbitrary code and install malicious plugins for system access...

CVE-2020-37256

Grav before 1.6.30 has a cross-site scripting vulnerability in the Admin plugin page editor default security configuration. Privileged users with page editing capabilities can inject malicious scripts to execute arbitrary code and install malicious plugins for system access. Affected product is G...

CVE-2026-44990

A flaw was found in the sanitize-html library. Under its default configuration, an attacker can embed malicious content within a disallowed xmp element. This vulnerability allows the attacker to bypass the HTML sanitization process, leading to stored Cross-Site Scripting XSS. Successful...

Important: Red Hat Security Advisory: Red Hat build of Keycloak 26.6.4 Security Update

New Red Hat build of Keycloak 26.6.4 packages are available from the Customer Portal Red Hat build of Keycloak 26.6.4 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. Security fixes...

keycloak: Keycloak: Cross-site scripting (XSS) via case-insensitive URI validation bypass

A flaw was found in Keycloak. A remote attacker with administrative privileges, specifically those with manage-client permission or access to client registration endpoints, could bypass client Uniform Resource Identifier URI validation. This is achieved by registering a malicious client with a...

GO-2026-5357 SiYuan Desktop: Stored XSS in imported .sy.zip content leads to arbitrary command execution in github.com/siyuan-note/siyuan/kernel

SiYuan Desktop: Stored XSS in imported .sy.zip content leads to arbitrary command execution in github.com/siyuan-note/siyuan/kernel...

GO-2026-5381 Prometheus vulnerable to stored XSS via crafted histogram bucket label values in the old web UI heatmap display in github.com/prometheus/prometheus

Prometheus vulnerable to stored XSS via crafted histogram bucket label values in the old web UI heatmap display in github.com/prometheus/prometheus...

GO-2026-5332 Grafana has a Cross-site Scripting issue in github.com/grafana/grafana

Grafana has a Cross-site Scripting issue in github.com/grafana/grafana. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability scanners, please sugge...