Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (ConnectWise Technology Integration module) allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-13937.
Published: 2026-07-03
Score: 4.8 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

Vendor Solution

Fireware OS 2026.2.1, Fireware OS 12.12.1, Fireware OS 12.11.9, Fireware OS 12.5.19

Tracking

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Advisories

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History

Mon, 10 Aug 2026 19:45:00 +0200

Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (ConnectWise Technology Integration module) allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-13937. 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. Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (ConnectWise Technology Integration module) allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-13937.
CPEs cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.4
cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.5
cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:2025.1
cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*
References

Tue, 07 Jul 2026 20:30:00 +0200

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 03 Jul 2026 16:45:00 +0200


Fri, 03 Jul 2026 01:30:00 +0200

Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in WatchGuard Fireware OS (ConnectWise Technology Integration module) allows Stored XSS. This vulnerability is an additional unmitigated attack path for CVE-2025-13937. 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.
Title WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in ConnectWise Technology Integration Configuration
First Time appeared Watchguard
Watchguard fireware Os
Weaknesses CWE-79
CPEs cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.4
cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.5
cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:2025.1
Vendors & Products Watchguard
Watchguard fireware Os
References
Metrics cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


Subscriptions

Watchguard Firebox M270 Firebox M290 Firebox M295 Firebox M370 Firebox M390 Firebox M395 Firebox M440 Firebox M4600 Firebox M470 Firebox M4800 Firebox M495 Firebox M5600 Firebox M570 Firebox M5800 Firebox M590 Firebox M595 Firebox M670 Firebox M690 Firebox M695 Firebox Nv5 Firebox T115-w Firebox T125 Firebox T125-w Firebox T145 Firebox T145-w Firebox T15 Firebox T185 Firebox T20 Firebox T25 Firebox T35 Firebox T40 Firebox T45 Firebox T55 Firebox T70 Firebox T80 Firebox T85 Fireboxcloud Fireboxv Fireware Fireware Os
cve-icon MITRE

Status: PUBLISHED

Assigner: WatchGuard

Published:

Updated: 2026-08-27T22:58:26.485Z

Reserved: 2026-06-25T20:31:06.991Z

Link: CVE-2026-13374

cve-icon Vulnrichment

Updated: 2026-07-06T18:04:58.260Z

cve-icon NVD

Status : Modified

Published: 2026-07-03T00:16:51.257

Modified: 2026-10-25T21:10:00.770

Link: CVE-2026-13374

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-11T01:15:05Z

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')