Is CVE-2018-25331 actively exploited?

No active exploitation of CVE-2018-25331 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-25331 be exploited remotely?

Yes. CVE-2018-25331 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-25331?

CVE-2018-25331 has a CVSS score of 6.1 (MEDIUM).

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MEDIUM

CVE-2018-25331

CWE-79Published: May 17, 2026· Updated: May 18, 2026

6.1

CVSS v3.1

EPSS:0.09%probability of exploitation in 30 daysPercentile:24.8th

Official Description

Zenar Content Management System contains a cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by manipulating form parameters in POST requests. Attackers can inject script tags through the current_page parameter sent to the ajax.php endpoint, which reflects unsanitized user input in the response HTML to execute arbitrary JavaScript in victim browsers.

NVD Source

Technical Analysis

CVE-2018-25331 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.