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Medium 5.1Published Aug 19, 2026
CVE-2026-18371HTML injection in M-Files Web
Updated under an hour ago ()
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It affects M-Files Corporation M-Files Web. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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HTML injection vulnerability in M-Files Web before 26.8.16330.2 allows an authenticated attacker to affect web user interface contents displayed to other users.
- CVSS
- 5.1 MEDIUM (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- M-Files Corporation
- NVD analysis
- Deferred
- Record last updated
- Aug 20, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
M-Files Corporation M-Files Web m_files:web (from the name) | before 26.8.16330.2 | CNA record |
References
- https://empower.m-files.com/security-advisories/CVE-2026-18371vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.