{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-13374", "assignerOrgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "state": "PUBLISHED", "assignerShortName": "WatchGuard", "dateReserved": "2026-06-25T20:31:06.991Z", "datePublished": "2026-07-02T23:05:13.056Z", "dateUpdated": "2026-07-02T23:05:13.056Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Fireware OS", "vendor": "WatchGuard", "versions": [{"lessThanOrEqual": "12.12", "status": "affected", "version": "12.4", "versionType": "semver"}, {"lessThanOrEqual": "12.5.18", "status": "affected", "version": "12.5", "versionType": "semver"}, {"lessThanOrEqual": "2026.2", "status": "affected", "version": "2025.1", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.4", "versionEndIncluding": "12.12", "versionStartIncluding": "12.4", "vulnerable": true}, {"criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.5", "versionEndIncluding": "12.5.18", "versionStartIncluding": "12.5", "vulnerable": true}, {"criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:2025.1", "versionEndIncluding": "2026.2", "versionStartIncluding": "2025.1", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "OR"}], "credits": [{"lang": "en", "type": "finder", "value": "Simone Paganessi (https://www.linkedin.com/in/simonepaganessi)"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "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.<div><div><br></div><div>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.</div></div><br><br>"}], "value": "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.\n\n\nThis 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."}], "impacts": [{"capecId": "CAPEC-592", "descriptions": [{"lang": "en", "value": "CAPEC-592 Stored XSS"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 4.8, "baseSeverity": "MEDIUM", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "shortName": "WatchGuard", "dateUpdated": "2026-07-02T23:05:13.056Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00015"}], "source": {"advisory": "WGSA-2026-00016", "defect": ["FBX-31028"], "discovery": "EXTERNAL"}, "title": "WatchGuard Firebox Stored Cross-Site-Scripting (XSS) Vulnerability in ConnectWise Technology Integration Configuration", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[12.4,12.12]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[12.5,12.5.18]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[2025.1,2026.2]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Fireware OS", "source": "cna", "vendor": "WatchGuard"}, "product": "fireware_os", "vendor": "watchguard"}], "created": "2026-07-03T01:30:04.961054+00:00", "updated": "2026-07-03T01:30:04.961108+00:00", "vendors": ["watchguard", "watchguard$PRODUCT$fireware_os"]}