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01 Record

CVE-2021-25994

Userfrosting - Host-Header Injection Leads to Account Takeover

HighPUBLISHEDCNA: Mend
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

02 Description

Userfrosting - Host-Header Injection Leads to Account Takeover

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.60% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 75.6% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-01-03 06:45Z4 YR AGO
Last updated
2024-08-03 20:19Z2 YR AGO
Reserved
2021-01-22
Assigning CNA
Mend
Record state
PUBLISHED
Severity
High (CVSS 8.8)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
Data version
5.1
Document digest
a11a89dbc9693197a1c847e7d534dfcd1242a307bd2786bf3381a8fbd50fe8f0

05 Affected products

VendorProductVersionsPlatforms
userfrostinguserfrosting0.3.1 to < unspecified, <= 4.6.2—

06 References

07 Remediation

Update to Userfrosting v4.6.3