CVE-2021-25994
In Userfrosting, versions v0.3.1 to v4.6.2 are vulnerable to Host Header Injection.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.55% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-74
- Affected
- userfrosting/userfrosting
- Source
- vulnerabilitylab@mend.io
EPSS 1.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/userfrosting/UserFrosting/commit/796dd78757902435d1bd286415feea78098e45baPatch, Third Party Advisory
- https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25994Exploit, Third Party Advisory
- https://github.com/userfrosting/UserFrosting/commit/796dd78757902435d1bd286415feea78098e45baPatch, Third Party Advisory
- https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25994Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.