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-2021-25994

28
FAUCET Score

CVE-2021-25994 is a Host Header Injection vulnerability affecting Userfrosting versions v0.3.1 to v4.6.2. This high-severity vulnerability (CVSS 8.8) allows an unauthenticated attacker to reset a victim's password and take over their account by luring them to click a malicious link. While no public exploits or active exploitation have been observed, and community discussion is minimal, the potential for complete compromise of confidentiality, integrity, and availability is significant.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.3.1, < 4.6.3CPE matchmatch criteria
cpe:2.3:a:userfrosting:userfrosting:*:*:*:*:*:*:*:*
<= 4.6.2CPE match
cpe:2.3:a:userfrosting:userfrosting:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.55%
Probability of exploitation in next 30 days
EPSS Percentile
72.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0155 is in the 71st percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 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 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: userfrosting/userfrostingFixed in: 4.6.3
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-cv25-3gmg-c6m8high

Injection in UserFrosting

Jan 6, 2022

References

github.com / userfrosting/UserFrosting/commit/796dd78757902435d1bd286415feea78098e45ba
PatchThird Party Advisory
whitesourcesoftware.com / vulnerability-database/CVE-2021-25994
ExploitThird Party Advisory