Vulnerability Details : CVE-2021-29399

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.
Published 2021-04-19 12:15:19
Updated 2021-04-22 20:07:08
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Cross site scripting (XSS)

Products affected by CVE-2021-29399

  • Xmbforum2 » XMB
    Versions from including (>=) 1.9.11 and before (<) 1.9.11.16
    cpe:2.3:a:xmbforum2:xmb:*:*:*:*:*:*:*:*
    Matching versions
    When used together with: PHP » PHP » Version: 7.0.0
    When used together with: PHP » PHP » Version: 8.0.0
  • Xmbforum2 » XMB
    Versions from including (>=) 1.9.12 and before (<) 1.9.12.03
    cpe:2.3:a:xmbforum2:xmb:*:*:*:*:*:*:*:*
    Matching versions
    When used together with: PHP » PHP » Version: 7.0.0
    When used together with: PHP » PHP » Version: 8.0.0
  • Xmbforum2 » XMB
    Versions from including (>=) 1.9.1 and before (<) 1.9.11.16
    cpe:2.3:a:xmbforum2:xmb:*:*:*:*:*:*:*:*
    Matching versions
    When used together with: PHP » PHP » Version: 5.0.0

Exploit prediction scoring system (EPSS) score for CVE-2021-29399

EPSS FAQ
0.10%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-29399

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
 MEDIUM AV:N/AC:M/Au:N/C:N/I:P/A:N
8.6
2.9
 NIST
6.1
 MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
2.8
2.7
 NIST

CWE ids for CVE-2021-29399

References for CVE-2021-29399

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