CVE-2021-25980 Talkyard - Host-Header Injection Leads to Account Takeover
An attacker can exploit Host Header Injection in Talkyard to reset a victim's password and take over their account via phishing links.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-25980?
CVE-2021-25980 is a high-severity vulnerability in debiki talkyard, published on 11 Nov 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-74
Which versions are affected by CVE-2021-25980?
It affects 1 product.
Products include Talkyard Talkyard.
How do I fix CVE-2021-25980?
No fix has been published for CVE-2021-25980 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-25980 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-25980 exists.
Other vulnerabilities in debiki talkyard
Sources
Also known as GHSA-j8p2-hh7r-9r58.