Is CVE-2018-25250 actively exploited?

No active exploitation of CVE-2018-25250 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-25250 be exploited remotely?

Yes. CVE-2018-25250 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-25250?

CVE-2018-25250 has a CVSS score of 7.2 (HIGH).

HOME VULNERABILITIESCVE-2018-25250

HIGH

CVE-2018-25250

CWE-79Published: April 4, 2026· Updated: Apr 7, 2026

7.2

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:8.1th

Official Description

MyBB Last User's Threads in Profile Plugin 1.2 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts by crafting thread subjects with script tags. Attackers can create threads with script payloads in the subject field that execute when users visit the attacker's profile page.

NVD Source

Technical Analysis

CVE-2018-25250 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.

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.