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CVE-2023-4479

19
FAUCET Score

CVE-2023-4479 is a stored Cross-Site Scripting (XSS) vulnerability affecting M-Files Web versions prior to 23.8. An authenticated attacker can inject malicious scripts into a user's browser by embedding them within a stored HTML document. This vulnerability has a CVSS score of 5.4 (Medium), indicating a low-complexity attack requiring user interaction, with potential for limited confidentiality and integrity impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0, < 23.8.12892.6CPE match
cpe:2.3:a:m-files:m-files_web:*:*:*:*:-:*:*:*
< 23.8CPE matchmatch criteria
cpe:2.3:a:m-files:m-files:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.44%
Probability of exploitation in next 30 days
EPSS Percentile
35.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 53rd percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

m-files.com / about/trust-center/security-advisories/cve-2023-4479
Vendor Advisory
empower.m-files.com / security-advisories/CVE-2023-4479
product.m-files.com / security-advisories/cve-2023-4479
Vendor Advisory