CVE-2021-24857

Public Exploit
ToTop Link <= 1.7.1 - Unauthenticated PHP Object Injection

Description

The ToTop Link WordPress plugin through 1.7.1 passes base64 encoded user input to the unserialize() PHP function, which could lead to PHP Object injection if a plugin installed on the blog has a suitable gadget chain.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.76% Top 30%
Third-Party Advisory wpscan.com
Affected: Unknown ToTop Link
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-24857?
CVE-2021-24857 has been scored as a critical severity vulnerability.
How to fix CVE-2021-24857?
To fix CVE-2021-24857, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-24857 being actively exploited in the wild?
It is possible that CVE-2021-24857 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-24857?
CVE-2021-24857 affects Unknown ToTop Link.
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