9.8crit

CVE-2016-11020

Kunena before 5.0.4 does not restrict avatar file extensions to gif, jpeg, jpg, and png.

Published 6 y ago · modified 4 mo ago · JSON

CVSS
9.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
2.9%
percentile 87%
Public exploits
0
none known

Summary

Kunena before 5.0.4 does not restrict avatar file extensions to gif, jpeg, jpg, and png. This can lead to XSS and remote code execution.

Exploit prediction (EPSS)

2.88% probability of exploitation in the next 30 days, higher than 87% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.19.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD2.07.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

  • kunena.org /bugs/changelog · x_refsource_MISC, x_transferred
  • github.com /Kunena/Kunena-Forum/pull/5028 · x_refsource_MISC, x_transferred
  • kunena.org /blog/179-kunena-5-0-4-released · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.