Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in
Source GCVE Database
Not known to be exploited · CVSS 4.8 Medium.
Data as of 14 Nov 2026, 20:43 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 41% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 15 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 14 Nov 2026.
What to do
AI-suggested
Since this vulnerability requires an authenticated administrator session on a locally managed device, restricting administrative access to trusted personnel and secure networks is recommended. Monitor vendor advisories for patch availability and apply updates when released.
Description
CVE-2025-6947 is a stored cross-site scripting (XSS) vulnerability in WatchGuard Fireware OS affecting versions 12.0 through 12.11.2. It requires an authenticated administrator session on a locally managed Firebox device. This vulnerability arises from improper neutralization of input during web page generation in the SIP Proxy module.