CVE-2018-25309

HIGH SEVERITY

CVSS Score & Metrics

Base Score

7.2 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N                                    

Vulnerability Description

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 subject parameter to execute arbitrary JavaScript in the browsers of all users viewing the index page.

Vulnerability Details

Published Date

April 29, 2026

Last Modified

April 29, 2026

CWE ID

CWE-79

Source

NVD

Vendor

mybb

Product

MyBB Recent threads

External References

https://community.mybb.com/mods.php?action=view&pid=191
https://www.exploit-db.com/exploits/44420
https://www.vulncheck.com/advisories/mybb-recent-threads-persistent-cross-site-scripting

CVE-2018-25309

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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