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CVE-2025-4123
Cross-Site Scripting (XSS) in github.com/grafana/grafana (CVE-2025-4123)
Summary
cross-site scripting in github.com/grafana/grafana (CVE-2025-4123). Confidential information can be exposed externally.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-4123** has been found in github.com/grafana/grafana.
Confidential information can be exposed externally. CVSS score: ?/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "github.com/grafana/grafana CVE-2025-4123" on the vendor's site.
CVE-2025-4123 (github.com/grafana/grafana) — CWE-79 /
Attack vector: remote (network-reachable) / unauthenticated
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**Cross-site scripting (XSS)** (CWE-79) exists in github.com/grafana/grafana.
📍 Affected scope
github.com/grafana/grafana — .
🔥 Severity
Severity: ?. Confidential information can be exposed externally
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'github.com/grafana/grafana' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'github.com/grafana/grafana' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `github.com/grafana/grafana` を grep し、稼働しているサービス・バージョンを把握する。
-
7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
Go
github.com/grafana/grafana
[{"type":"SEMVER","events":[{"introduced":"0"}]}]
References
- advisory https://grafana.com/security/security-advisories/cve-2025-4123/
- advisory https://grafana.com/blog/2025/05/23/grafana-security-release-medium-and-high-severity-security-fixes-for-cve-2025-4123-and-cve-2025-3580/
- advisory https://nvd.nist.gov/vuln/detail/CVE-2025-4123
- advisory https://github.com/advisories/GHSA-q53q-gxq9-mgrj
- package https://github.com/grafana/grafana
- patch https://github.com/grafana/grafana/commit/c7a690348df761d41b659224cbc50a46a0c0e4cc
- web https://grafana.com/blog/2025/05/23/grafana-security-release-medium-and-high-severity-security-fixes-for-cve-2025-4123-and-cve-2025-3580
- web https://grafana.com/security/security-advisories/cve-2025-4123
- web https://pkg.go.dev/vuln/GO-2025-3702
- web https://www.exploit-db.com/exploits/52491