CVE-2021-29399

medium

Description

XMB is vulnerable to cross-site scripting (XSS) due to inadequate filtering of BBCode input. This bug affects all versions of XMB. All XMB installations must be updated to versions 1.9.12.03 or 1.9.11.16.

References

https://www.xmbforum2.com/

https://forums.xmbforum2.com/viewthread.php?tid=777105

https://docs.xmbforum2.com/index.php?title=Security_Issue_History

Details

Source: Mitre, NVD

Published: 2021-04-19

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00811