CVE-2021-25980

Talkyard - Host-Header Injection Leads to Account Takeover

State
Published
Severity
8.8 High
Published
Nov 11, 2021
Updated
Apr 30, 2025
Reserved
Jan 22, 2021

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
3.18.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HMend

Weaknesses

  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Affected Products

ProductVersions
talkyarddebiki
  • v0.04.01 to before v0*Affected
  • v0.2020.22-WIP-b2e97fe0e to before v0.2020*Affected
  • v0.2021 through v0.2021.02-WIP-879ef3fe1Affected
  • tyse-v0.2021.02-879ef3fe1-regular to before tyse-v0.2021*Affected

References

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