Smart Slider 3: Filesystem traversal

Smart Slider 3 is affected by filesystem traversal. Exploitation requires an authenticated administrator account. A crafted path can escape the intended directory and reach files or directories elsewhere on the server. The published affected range is <= 3.5.1.36.

CVE / CNA score 4.9 CVSS 3.1 · security@wordfence.com

NVD score Pending NVD has not published its own CVSS assessment.

Component: Smart Slider 3
Plugin slug: smart-slider-3
Affected: <= 3.5.1.36
Safe version: See mitigation notes
Published: Jun 06, 2026
Weakness: CWE-22 — Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

This CVE was published Jun 06, 2026 and is one of 12 known issues for this plugin.

What to do

Update, patch or deactivate.

This archive could not verify a fixed version from the official author release notes reviewed on 2026-10-13. Disable the affected feature or component where practical until remediation for the deployed configuration is established. Official author release notes: https://wordpress.org/plugins/smart-slider-3/.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

The Smart Slider 3 plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 3.5.1.36 via the replaceHTMLImage function. This makes it possible for authenticated attackers, with administrator-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References

Primary and upstream sources

Data attribution: This product uses the NVD API but is not endorsed or certified by the NVD.

Vulnerability data licensing

CVE. Copyright © 1999–2026, The MITRE Corporation. MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.

CWE. Copyright © 2006–2026, The MITRE Corporation. CWE™ is free to use by any organization or individual for any research, development, and/or commercial purposes, per these CWE Terms of Use. Accordingly, The MITRE Corporation hereby grants you a non-exclusive, royalty-free license to use CWE for research, development, and commercial purposes. Any copy you make for such purposes is authorized on the condition that you reproduce MITRE’s copyright designation and this license in any such copy.

CVSS. CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and used by permission.

Source-record text is CVE/CNA content delivered through the NVD API. Fused summaries and remediation guidance are independently authored and are not attributed to NVD.

All other copyrights and trademarks are the property of their respective owners.

Full data sources, terms, and disclaimers