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Servers and applications

CVE-2011-5133

Unspecified vulnerability in MyBB before 1.6.5 has unknown impact and attack vectors, related to an "unparsed user avatar in the buddy list."

Severity
High 10.0
Published
30 Aug 2012
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.7% in the next 30 daysHigher than 77% of CVEs. EPSS by FIRST, 12 Nov 2026
Attack
Over the network · No login needed
Attacker can
Read data · Change data · Take it down
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Sources
NVD

Affected software

SoftwareAffected versions
MyBBServers and applications · cpe:a:mybb:mybb
  • Version 1.6.3
  • Version 1.6.2
  • Version 1.6.1
  • Version 1.6.0
All 49 release lines
  • Every version up to 1.6.4
  • Version 1.1.0
  • Version 1.1.1
  • Version 1.1.2
  • Version 1.1.3
  • Version 1.1.4
  • Version 1.1.5
  • Version 1.1.6
  • Version 1.1.7
  • Version 1.1.8
  • Version 1.2
  • Version 1.2.1
  • Version 1.2.2
  • Version 1.2.3
  • Version 1.2.4
  • Version 1.2.5
  • Version 1.2.6
  • Version 1.2.7
  • Version 1.2.8
  • Version 1.2.9
  • Version 1.2.10
  • Version 1.2.11
  • Version 1.2.12
  • Version 1.2.13
  • Version 1.2.14
  • Version 1.3-pre-1.0
  • Version 1.4.0
  • Version 1.4.1
  • Version 1.4.2
  • Version 1.4.3
  • Version 1.4.4
  • Version 1.4.5
  • Version 1.4.6
  • Version 1.4.7
  • Version 1.4.8
  • Version 1.4.9
  • Version 1.4.10
  • Version 1.4.11
  • Version 1.4.12
  • Version 1.4.13
  • Version 1.4.14
  • Version 1.4.15
  • Version 1.4.16
  • Version 1.5.1
  • Version 1.5.2
  • Version 1.6.0
  • Version 1.6.1
  • Version 1.6.2
  • Version 1.6.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2011-5133
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2011-5133