CVE-2022-2438

Broken Link Checker <= 1.11.16 - Authenticated (Admin+) PHAR Deserialization

Severity Score

7.2

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

El plugin Broken Link Checker para WordPress es vulnerable a la deserialización de entradas no confiables por medio del valor "$log_file" en versiones hasta 1.11.16 incluyéndola. Esto hace posible a atacantes autenticados con privilegios administrativos y superiores llamar a archivos usando una envoltura PHAR que de serializará los datos y llamará a Objetos PHP arbitrarios que pueden ser usados para llevar a cabo una variedad de acciones maliciosas concedidas una cadena POP también está presente. También requiere que el atacante tenga éxito en la carga de un archivo con la carga útil serializada.

*Credits: Rasoul Jahanshahi

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Multiple

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-07-15 CVE Reserved
2022-07-18 CVE Published
2024-08-03 CVE Updated
2024-11-13 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-502: Deserialization of Untrusted Data

CAPEC

References (3)

URL	Tag	Source
https://www.wordfence.com/threat-intel/vulnerabilities/id/62fd472e-208b-48db-8f98-3d935c7a678c?source=cve	Third Party Advisory
https://www.wordfence.com/vulnerability-advisories/#CVE-2022-2438	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
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	2023-11-07

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Managewp Search vendor "Managewp"		Broken Link Checker Search vendor "Managewp" for product "Broken Link Checker"				< 1.11.17 Search vendor "Managewp" for product "Broken Link Checker" and version " < 1.11.17"		wordpress		Affected