CVE-2018-25248 | THREATINT

Description

MyBB Downloads Plugin 2.0.3 contains a persistent cross-site scripting vulnerability that allows regular members to inject malicious scripts through the download title field. Attackers can submit a new download with HTML/JavaScript code in the title parameter, which executes when administrators validate the download in downloads.php.

PUBLISHED Reserved 2026-04-04 | Published 2026-04-04 | Updated 2026-04-06 | Assigner VulnCheck

MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

HIGH: 7.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Problem types

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

2.0.3

affected

Credits

0xB9 finder

References

www.exploit-db.com/exploits/44400 (ExploitDB-44400) exploit

community.mybb.com/mods.php?action=view&pid=854 (Product Reference) product

www.vulncheck.com/...plugin-persistent-xss-via-downloads-php (VulnCheck Advisory: MyBB Downloads Plugin 2.0.3 Persistent XSS via downloads.php) third-party-advisory

cve.org (CVE-2018-25248)

nvd.nist.gov (CVE-2018-25248)

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