Vulnerability Details : CVE-2022-2438

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.
Published 2022-09-06 18:15:14
Updated 2023-10-24 20:27:56
Source Wordfence
View at NVD,   CVE.org

Products affected by CVE-2022-2438

Exploit prediction scoring system (EPSS) score for CVE-2022-2438

EPSS FAQ
0.20%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-2438

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
 HIGH CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
1.2
5.9
 NIST
7.2
 HIGH CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
1.2
5.9
 Wordfence

CWE ids for CVE-2022-2438

  • The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
    Assigned by:
    • nvd@nist.gov (Primary)
    • security@wordfence.com (Secondary)

References for CVE-2022-2438

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