CVE-2018-25248

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.

CVSS v3 7.2 HIGH

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://community.mybb.com/mods.php?action=view&pid=854	Permissions Required Product
https://www.exploit-db.com/exploits/44400	Exploit VDB Entry
https://www.vulncheck.com/advisories/mybb-downloads-plugin-persistent-xss-via-downloads-php	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mybb:mybb_downloads:2.0.3:*:*:*:*:mybb:*:*

History

10 Apr 2026, 21:21

Type	Values Removed	Values Added
First Time		Mybb Mybb mybb Downloads
CPE		cpe:2.3:a:mybb:mybb_downloads:2.0.3:::::mybb::
References	~~() https://community.mybb.com/mods.php?action=view&pid=854 -~~	() https://community.mybb.com/mods.php?action=view&pid=854 - Permissions Required, Product
References	~~() https://www.exploit-db.com/exploits/44400 -~~	() https://www.exploit-db.com/exploits/44400 - Exploit, VDB Entry
References	~~() https://www.vulncheck.com/advisories/mybb-downloads-plugin-persistent-xss-via-downloads-php -~~	() https://www.vulncheck.com/advisories/mybb-downloads-plugin-persistent-xss-via-downloads-php - Third Party Advisory

04 Apr 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-04 14:16

Updated : 2026-04-10 21:21

NVD link : CVE-2018-25248

Mitre link : CVE-2018-25248

CVE.ORG link : CVE-2018-25248

JSON object : View

Products Affected

mybb

mybb_downloads

CWE

CWE-79

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

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