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WordPress plugin

Slider, Gallery, and Carousel by MetaSlider <= 3.17.1 — Authenticated Stored Cross-Site Scripting

f5292c55-6445-4aec-b06e-6e625794d842Published · Updated

Action summary

Affected: <3.17.2Update to 3.17.2 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-79 Cross-Site Scripting
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider ml-slider

  1. Affected< 3.17.2
  2. Patched in3.17.2

Update to 3.17.2 or newer.

You are affected if you run < 3.17.2. Version 3.17.2 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 3.17.2, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Vishnupriya Ilango.

The Slider, Gallery, and Carousel by MetaSlider plugin for WordPress is vulnerable to Stored Cross Site Scripting in versions up to, and including, 3.17.1. The patch adds extra filtering of captions using HTML Purifier where there appeared to be a stored cross-site scripting vulnerability to accounts with sufficient privileges.

Exploits & references

Proof-of-concept & detection

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

Advisories & patches

More in Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider

All 16
More vulnerabilities in Slider, Gallery, and Carousel by MetaSlider – Image Slider, Video Slider
SeverityVulnerabilityCVEPublished
Medium6.4Authenticated (Author+) Stored Cross-Site Scripting via 'delay' Post Meta Setting
≤3.111.0Update to 3.111.1
CVE-2026-18400
Medium6.6Authenticated (Editor+) PHP Object Injection
≤3.106.0Update to 3.107.0
CVE-2026-39467
High7.2Authenticated (Editor+) Remote Code Execution
≤3.106.0Update to 3.107.0
CVE-2026-39465
Medium6.4Authenticated (Contributor+) Stored DOM-Based Cross-Site Scripting via aria-label Parameter
≤3.98.0Update to 3.99.0
CVE-2025-5337
Medium4.4Authenticated (Admin+) Stored Cross-Site Scripting
≤3.94.0Update to 3.95.0
CVE-2025-1062

Same weakness (Cross-Site Scripting)

All Cross-Site Scripting
Other Cross-Site Scripting vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 6.4

  2. Record last updated

Sources & licenses

Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
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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