PT-2026-30368 · Mybb · Mybb Downloads

CVE-2018-25248 · Published 2026-04-04 · Updated 2026-07-20

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions MyBB Downloads Plugin version 2.0.3

Description A persistent cross-site scripting issue allows regular members to inject malicious scripts via the download title field. An attacker can submit a new download containing HTML or JavaScript in the title parameter, which then executes when administrators validate the download through the 'downloads.php' endpoint.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2018-25248

Affected Products

Mybb Downloads

References · 5

• 🔥 https://exploit-db.com/exploits/44400 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-25248 · Security Note
• https://t.me/cveNotify/208084 · Telegram Post
• https://vulncheck.com/advisories/mybb-downloads-plugin-persistent-xss-via-downloads-php · Note
• https://community.mybb.com/mods.php?action=view&pid=854 · Note