Vulnerability in Nextendweb Smart Slider 3 Pro For Joomla

CVE-2026-34424

Smart Slider 3 Pro version 3.5.1.35 for WordPress and Joomla contains a multi-stage remote access toolkit injected through a compromised update system that allows unauthenticated attackers to execute arbitrary code and commands. Attackers…

EPSS: 0.003 (57.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-34424?
CVE-2026-34424 is a critical-severity vulnerability in Nextendweb Smart Slider 3 Pro For Joomla, classified under CWE-506. CVSS score: 9.8/10. Published 2026-04-09.
How severe is CVE-2026-34424?
Critical severity. CVSS v3 base score is 9.8 out of 10.