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2 vulnerabilities found for Smart Slider 3 Pro for Joomla by Nextendweb

CVE-2026-34424 (GCVE-0-2026-34424)

Vulnerability from nvd – Published: 2026-04-09 22:59 – Updated: 2026-05-14 16:05 X_Known Exploited Vulnerability
VLAI
Title
Smart Slider 3 Pro 3.5.1.35 Supply Chain Attack Remote Access Toolkit
Summary
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 can trigger pre-authentication remote shell execution via HTTP headers, establish authenticated backdoors accepting arbitrary PHP code or OS commands, create hidden administrator accounts, exfiltrate credentials and access keys, and maintain persistence through multiple injection points including must-use plugins and core file modifications.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-506 - Embedded Malicious Code
Assigner
References
Impacted products
Vendor Product Version
Nextendweb Smart Slider 3 Pro for WordPress Affected: 3.5.1.35 (custom)
Unaffected: 0 , ≤ 3.5.1.34 (custom)
Unaffected: 3.5.1.36 (custom)
Create a notification for this product.
Nextendweb Smart Slider 3 Pro for Joomla Affected: 3.5.1.35 (custom)
Unaffected: 0 , ≤ 3.5.1.34 (custom)
Unaffected: 3.5.1.36 (custom)
Create a notification for this product.
Date Public
2026-04-07 00:00
Show details on NVD website
To clipboard 

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CVE-2026-34424 (GCVE-0-2026-34424)

Vulnerability from cvelistv5 – Published: 2026-04-09 22:59 – Updated: 2026-05-14 16:05 X_Known Exploited Vulnerability
VLAI
Title
Smart Slider 3 Pro 3.5.1.35 Supply Chain Attack Remote Access Toolkit
Summary
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 can trigger pre-authentication remote shell execution via HTTP headers, establish authenticated backdoors accepting arbitrary PHP code or OS commands, create hidden administrator accounts, exfiltrate credentials and access keys, and maintain persistence through multiple injection points including must-use plugins and core file modifications.
Severity
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-506 - Embedded Malicious Code
Assigner
References
Impacted products
Vendor Product Version
Nextendweb Smart Slider 3 Pro for WordPress Affected: 3.5.1.35 (custom)
Unaffected: 0 , ≤ 3.5.1.34 (custom)
Unaffected: 3.5.1.36 (custom)
Create a notification for this product.
Nextendweb Smart Slider 3 Pro for Joomla Affected: 3.5.1.35 (custom)
Unaffected: 0 , ≤ 3.5.1.34 (custom)
Unaffected: 3.5.1.36 (custom)
Create a notification for this product.
Date Public
2026-04-07 00:00
Show details on NVD website
To clipboard 

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