CVE-2026-13373
published 2026-07-03CVE-2026-13373: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Tigerpaw Technology…
PriorityP423medium4.8CVSS 3.1
AVNACLPRHUIRSCCLILAN
EPSS
0.27%
19.5th percentile
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Tigerpaw Technology Integration module) allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-13936.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| watchguard | fireware | >= 12.4 < 12.12.1 | 12.12.1 |
| watchguard | fireware | 12.5 – 12.5.18 | — |
| watchguard | fireware | >= 2025.1 < 2026.2.1 | 2026.2.1 |
CVSS provenance
nvdv3.14.8MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
nvdv4.04.8MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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VulDB
WatchGuard Fireware OS up to 12.5.18/12.12/2026.2 Tigerpaw Technology Integration cross site scripting (wgsa-2026-00015 / WID-SEC-2026-2193)
vuldb·2026-08-30·CVSS 4.8
CVE-2026-13373 [MEDIUM] WatchGuard Fireware OS up to 12.5.18/12.12/2026.2 Tigerpaw Technology Integration cross site scripting (wgsa-2026-00015 / WID-SEC-2026-2193)
A vulnerability classified as problematic has been found in WatchGuard Fireware OS up to 12.5.18/12.12/2026.2. This issue affects some unknown processing of the component Tigerpaw Technology Integration Module. This manipulation causes cross site scripting.
The identification of this vulnerability is CVE-2026-13373. It is possible to initiate the attack remotely. There is no exploit available.
GHSA
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Tigerpaw Technology Integration module) allows Stored XSS.
ghsa_unreviewed·2026-07-03·CVSS 6.1
CVE-2026-13373 [MEDIUM] CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Tigerpaw Technology Integration module) allows Stored XSS.
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (Tigerpaw Technology Integration module) allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-13936.
This issue affects Fireware OS 12.4 up to and including 12.12, 12.5 up to and including 12.5.18, and 2025.1 up to and including 2026.2.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-07-03
Published