CVE-2026-13377
CVE-2026-13377: 1 tracked advisory record across WatchGuard. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
WatchGuard
1 advisory- Advisory severityMedium4.8
Medium [CVE-2025-6947 +1] Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS SIP Proxy module allows Stored XSS
CVE-2026-13377Source published Source updated
This bulletin covers 2 CVEs. The products, versions, score and guidance below describe the bulletin; check its source for applicability to this specific CVE.
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS SIP Proxy module allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-6947.
- Affected products in this advisory
- Fireware OS
- Source-reported affected versions
- Fireware OS 12.0 before 12.11.9
- Fireware OS 2025.1 before 2026.2.1
- Fireware OS 12.0 before 12.12.1
- Fireware OS 12.0 before 12.5.19
- Source-reported fixed versions
- 12.11.9
- 2026.2.1
- 12.12.1
- 12.5.19
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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