XSS in Mybb Trending Widget

CVE-2018-25132

MyBB Trending Widget Plugin 1.2 contains a cross-site scripting vulnerability that allows attackers to inject malicious scripts through thread titles. Attackers can modify thread titles with script payloads that will execute when other users view the trending widget.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (10.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-25132?
CVE-2018-25132 is a medium-severity vulnerability in Mybb Trending Widget, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-01-23.
How severe is CVE-2018-25132?
Medium severity. CVSS v3 base score is 6.1 out of 10.