CVE-2018-25248

MyBB Downloads Plugin 2.0.3 Persistent XSS via downloads.php

Published Apr 4, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Mybb mybb Downloads
CPEs cpe:2.3:a:mybb:mybb_downloads:2.0.3:*:*:*:*:mybb:*:*
Vendors & Products Mybb mybb Downloads
Type Values Removed Values Added
First Time appeared Mybb mybb Downloads Plugin
Vendors & Products Mybb mybb Downloads Plugin
Type Values Removed Values Added
Metrics ssvc

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

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
May 24, 2026, 1:36 AM
Reserved
Apr 4, 2026, 1:22 PM
Status
Analyzed
Published
Apr 4, 2026, 2:16 PM
Modified
Jul 20, 2026, 8:10 PM