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Smart Slider 3 <= 3.5.1.22 — Missing Authorization to Limited File Upload

CVE-2024-3027Published · Updated

Action summary

Affected: ≤3.5.1.22Update to 3.5.1.23 or newer

All remediation steps
Watch plugin
Severity
Medium6.4
CVSS
6.4
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-285 Improper Authorization
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Smart Slider 3 smart-slider-3

  1. Affected≤ 3.5.1.22
  2. Patched in3.5.1.23

Update to 3.5.1.23 or newer.

You are affected if you run ≤ 3.5.1.22. Version 3.5.1.23 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Smart Slider 3.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 3.5.1.23, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Smart Slider 3 to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Christiaan Swiers (YouGina).

The Smart Slider 3 plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the upload function in all versions up to, and including, 3.5.1.22. This makes it possible for authenticated attackers, with contributor-level access and above, to upload files, including SVG files, which can be used to conduct stored cross-site scripting attacks.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Smart Slider 3

All 13
More vulnerabilities in Smart Slider 3
SeverityVulnerabilityCVEPublished
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via 'data-href' Attribute in Custom HTML Block
≤3.5.1.38Update to 3.5.1.39
CVE-2026-14876
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via 'slider' Block Attribute
≤3.5.1.38Update to 3.5.1.39
CVE-2026-15798
Medium4.3Missing Authorization to Authenticated (Contributor+) Sensitive Information Exposure via WP_Query Parameter Injection via 'keyword' Parameter
≤3.5.1.37Update to 3.5.1.38
CVE-2026-12385
Medium4.9Authenticated (Administrator+) Path Traversal to Arbitrary File Read via 'src'/'srcset' Attribute in HTML Export
≤3.5.1.36Update to 3.5.1.37
CVE-2026-9197
Medium5.4Missing Authorization to Authenticated (Contributor+) Slider Data Read and Image Record Manipulation
≤3.5.1.33Update to 3.5.1.34
CVE-2026-4065

Timeline

  1. CVE published

    Severity medium, CVSS 6.4

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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