CVE Catalog

CVE-2018-25248

HighCVSS 7.2
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.23%

13th percentile - higher than 13% of all known CVEs

Summary

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.

Risk Assessment

The risk involves hijacking an administrator session, stealing data, or performing unauthorized actions within the MyBB admin panel, potentially leading to full forum compromise.

Recommendation

It is recommended to immediately update the MyBB Downloads plugin to the latest version that fixes this vulnerability, and implement input validation and sanitization for title fields.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS