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.
History

Tue, 07 Apr 2026 00:00:00 +0000

Type Values Removed Values Added
First Time appeared Mybb mybb Downloads Plugin
Vendors & Products Mybb mybb Downloads Plugin

Mon, 06 Apr 2026 16:45:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 04 Apr 2026 15:00:00 +0000

Type Values Removed Values Added
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.
Title MyBB Downloads Plugin 2.0.3 Persistent XSS via downloads.php
First Time appeared Mybb
Mybb mybb
Weaknesses CWE-79
CPEs cpe:2.3:a:mybb:mybb:2.0.3:*:*:*:*:*:*:*
Vendors & Products Mybb
Mybb mybb
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-04-04T13:51:13.028Z

Updated: 2026-04-06T15:28:20.813Z

Reserved: 2026-04-04T13:22:18.496Z

Link: CVE-2018-25248

cve-icon Vulnrichment

Updated: 2026-04-06T15:08:22.463Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-04-04T14:16:20.683

Modified: 2026-04-07T13:20:55.200

Link: CVE-2018-25248

cve-icon Redhat

No data.