CVE-2021-25980CWE-74

Talkyard - Host-Header Injection Leads to Account Takeover

High · published November 11, 2021

CVSS v3.1
8.8
EPSS
1%
Percentile
69.2
In the wild
Unconfirmed
What it is

In Talkyard, versions v0.04.01 through v0.6.74-WIP-63220cb, v0.2020.22-WIP-b2e97fe0e through v0.2021.02-WIP-879ef3fe1 and tyse-v0.2021.02-879ef3fe1-regular through tyse-v0.2021.28-af66b6905-regular, 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.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01251 · 69.2th percentile
Weakness
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Published
2021-11-11T07:10Z
EPSS history
Timeline
  • 11 NOV 07:10Z
    Talkyard - Host-Header Injection Leads to Account Takeover
    cvelistv5