Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2025-66480

28
FAUCET Score

CVE-2025-66480 is a critical directory traversal vulnerability in the Wildfire IM im-server component, affecting versions prior to 1.4.3. This flaw in the file upload functionality allows an unauthenticated attacker to write arbitrary files to any location on the server's filesystem. With a CVSS score of 9.8 (Critical), it enables Remote Code Execution (RCE) and full server compromise due to improper sanitization of filenames. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.4.3CPE matchmatch criteria
cpe:2.3:a:wildfirechat:im-server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.40%
Probability of exploitation in next 30 days
EPSS Percentile
69.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0140 is in the 56th percentile among its peer group of 36,862 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / wildfirechat/im-server/commit/2f9c4e028c01c64913cab32e7248bcca183a5230
Patch
github.com / wildfirechat/im-server/releases/tag/1.4.3
Release Notes
github.com / wildfirechat/im-server/security/advisories/GHSA-74hq-jhx2-fq6c
Vendor Advisory