CVE-2022-2438

Description

The Broken Link Checker plugin for WordPress is vulnerable to deserialization of untrusted input via the '$log_file' value in versions up to, and including 1.11.16. This makes it possible for authenticated attackers with administrative privileges and above to call files using a PHAR wrapper that will deserialize the data and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present. It also requires that the attacker is successful in uploading a file with the serialized payload.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.42%
Third-Party Advisory wordfence.com Third-Party Advisory wordfence.com
Affected: wpmudev Broken Link Checker
Published at:
Updated at:

References

Link Tags
https://www.wordfence.com/threat-intel/vulnerabilities/id/62fd472e-208b-48db-8f98-3d935c7a678c?source=cve third party advisory
https://plugins.trac.wordpress.org/changeset/2757773/broken-link-checker/trunk/core/core.php?old=2605914&old_path=broken-link-checker%2Ftrunk%2Fcore%2Fcore.php patch
https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2438 third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-2438?
CVE-2022-2438 has been scored as a high severity vulnerability.
How to fix CVE-2022-2438?
To fix CVE-2022-2438, 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-2022-2438 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-2438 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-2438?
CVE-2022-2438 affects wpmudev Broken Link Checker.
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