CVE-2021-25994

Userfrosting - Host-Header Injection Leads to Account Takeover

HIGH
8.8
CVSS Score
Published: January 3, 2022 at 06:45 AM UTC
Updated: June 17, 2026 at 03:42 AM UTC
1 product affected across 1 vendorUserfrosting

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Severity
HIGH8.8
Exploit prediction
EPSS 2%

Description

In Userfrosting, versions v0.3.1 to v4.6.2 are vulnerable to Host Header Injection. By luring a victim application user to click on a link, an unauthenticated attacker can use the “forgot password” functionality to reset the victim’s password and successfully take over their account.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≥ 0.3.1v ≤ 4.6.20.3.1 ≤ v < 4.6.30.3.1
Affected range stops below 4.6.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

8.8HIGHMend
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-74

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