Is CVE-2018-1000641 actively exploited?

No active exploitation of CVE-2018-1000641 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-1000641 be exploited remotely?

Yes. CVE-2018-1000641 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-1000641?

CVE-2018-1000641 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2018-1000641

CRITICAL

CVE-2018-1000641

CWE-502Published: August 20, 2018· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

YesWiki version <= cercopitheque beta 1 contains a PHP Object Injection vulnerability in Unserialising user entered parameter in i18n.inc.php that can result in execution of code, disclosure of information.

NVD Source

Technical Analysis

CVE-2018-1000641 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-502): Insecure deserialization vulnerabilities allow attackers to inject malicious objects during deserialization, potentially enabling remote code execution.