CVE-2021-25980

HighCVSS 8.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-74

Affected software

Vendor	Product	Versions
debiki	talkyard	>= v0.04.01, < v0; >= v0.2020.22-WIP-b2e97fe0e, < v0.2020; >= v0.2021, <= v0.2021.02-WIP-879ef3fe1; >= tyse-v0.2021.02-879ef3fe1-regular, < tyse-v0.2021*

References

https://github.com/debiki/talkyard/commit/4067e191a909ed06f250d09a40e43aa5edbb0289Patch, Third Party Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25980Third Party Advisory
https://github.com/debiki/talkyard/commit/4067e191a909ed06f250d09a40e43aa5edbb0289Patch, Third Party Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25980Third Party Advisory

Timeline

Published: Nov 11, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

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