XSS in Dragonexpert Recent_threads_on_index

CVE-2018-25309

MyBB Recent threads 17.0 contains a persistent cross-site scripting vulnerability that allows attackers to inject malicious scripts by creating threads with crafted subject lines. Attackers can create threads with script tags in the subjec…

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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-25309?
CVE-2018-25309 is a high-severity vulnerability in Dragonexpert Recent_threads_on_index, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-04-29.
How severe is CVE-2018-25309?
High severity. CVSS v3 base score is 7.2 out of 10.