Improper input validation in Joomla Joomla\!

CVE-2015-8562

Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the HTTP User-Agent header, as exploited in the wild in December 2015.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.929 (99.8th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-8562?
CVE-2015-8562 is a vulnerability in Joomla Joomla\!, classified under Improper Input Validation. Published 2015-12-16.
Is CVE-2015-8562 known to be exploited?
41 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.