What is CVE-2018-25250?

CVE-2018-25250 is a high-severity vulnerability in Mybb Last User's Threads In Profile Plugin, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-04-04.

How severe is CVE-2018-25250?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in Mybb Last User's Threads In Profile Plugin

CVE-2018-25250

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 scrip…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (8.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Mybb Last User's Threads In Profile Plugin — versions 1.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

ExploitDB-44339 (exploit)
Product Reference (product)
VulnCheck Advisory: MyBB Last User's Threads in Profile Plugin 1.2 Persistent XSS (third-party-advisory)

Frequently asked questions

What is CVE-2018-25250?: CVE-2018-25250 is a high-severity vulnerability in Mybb Last User's Threads In Profile Plugin, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-04-04.
How severe is CVE-2018-25250?: High severity. CVSS v3 base score is 7.2 out of 10.