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Vulnerability IntelligenceCVE-2018-25248

CVE-2018-25248

HIGH7.2

MyBB Downloads Plugin 2.0.3 Persistent XSS via downloads.php

Published Apr 4, 2026

Modified 3 weeks ago

Details

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.

References

https://community.mybb.com/mods.php?action=view&pid=854

https://www.cve.org/CVERecord?id=CVE-2018-25248

https://www.exploit-db.com/exploits/44400

https://www.vulncheck.com/advisories/mybb-downloads-plugin-persistent-xss-via-downloads-php

CVSS Analysis

CVSS v4.0

5.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Attack Requirements

NoneAT:N

Privileges Required

LowPR:L

User Interaction

PassiveUI:P

Vulnerable System

Vuln. Confidentiality

NoneVC:N

Vuln. Integrity

NoneVI:N

Vuln. Availability

NoneVA:N

Subsequent System

Subseq. Confidentiality

LowSC:L

Subseq. Integrity

LowSI:L

Subseq. Availability

NoneSA:N

5.1/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

Weakness Type (CWE)

Injection

Cross-site Scripting (XSS)

Ecosystems

Timeline

PublishedApr 4, 2026

ModifiedApr 6, 2026

CVE-2018-25248 | Mondoo Vulnerability Intelligence