XSS in Jamiesage123 Mybb Thread Redirect Plugin

CVE-2018-25116

MyBB Thread Redirect Plugin 0.2.1 contains a cross-site scripting vulnerability in the custom text input field for thread redirects. Attackers can inject malicious SVG scripts that will execute when other users view the thread, allowing arbitrary script execution.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (20.0th 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-2018-25116?
CVE-2018-25116 is a medium-severity vulnerability in Jamiesage123 Mybb Thread Redirect Plugin, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-01-23.
How severe is CVE-2018-25116?
Medium severity. CVSS v3 base score is 6.1 out of 10.