CVE-2021-29399
MEDIUM
6.1
CVSS Score
Published: April 19, 2021 at 11:00 AM UTC
Updated: June 17, 2026 at 03:47 AM UTC
1 product affected across 1 vendorXmb· also runs on 1 platform
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.1
Exploit prediction
EPSS 0.8%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
1.9.1 ≤ v < 1.9.11.161.9.11 ≤ v < 1.9.11.161.9.12 ≤ v < 1.9.12.03
Affected range stops below 1.9.11.16, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.9.12.03, so it looks safe — our inference, not a vendor statement
php-php (environment)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
x_refsource_MISCVendor Advisory
Source: [email protected]
https://docs.xmbforum2.com/index.php?title=Security_Issue_Historyx_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://forums.xmbforum2.com/viewthread.php?tid=777105CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card