CVE-2021-24881 Passster < 3.5.5.9 - Protection Bypass & Arbitrary Post Access
Unauthenticated attackers can bypass password protection to access arbitrary private posts in the Passster WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-24881?
CVE-2021-24881 is a high-severity authentication bypass vulnerability in Unknown Passster, published on 23 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Passster WordPress plugin before 3.5.5.9 does not properly check for password, as well as that the post to be viewed is public, allowing unauthenticated users to bypass the protection offered by the plugin, and access arbitrary posts (such as private) content, by sending a specifically crafted request.
Which versions are affected by CVE-2021-24881?
It affects 1 product.
Products include Passster Project Passter.
How do I fix CVE-2021-24881?
No fix has been published for CVE-2021-24881 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-24881 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-24881 exists.
Other vulnerabilities in Unknown Passster
Sources
Also known as GHSA-c58r-vwf8-vx95.