CVE-2023-6382: Master Slider - Responsive Touch Slider <= 3.9.9 - Authenticated (Contributor+) Stored Cross-Site Scripting
First published: Sat Jun 01 2024(Updated: )
The Master Slider – Responsive Touch Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'ms_slide' shortcode in all versions up to, and including, 3.9.9 due to insufficient input sanitization and output escaping on user supplied 'css_class' attribute. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Credit: security@wordfence.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Averta Master Slider | <3.9.10 |
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Reference Links
- https://www.wordfence.com/threat-intel/vulnerabilities/id/2d2fc926-6f9f-4ed9-9598-e39b5e6c6544?source=cve
- https://plugins.trac.wordpress.org/browser/master-slider/trunk/includes/msp-shortcodes.php#L55
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3065917%40master-slider&new=3065917%40master-slider&sfp_email=&sfph_mail=
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3084860%40master-slider&new=3084860%40master-slider&sfp_email=&sfph_mail=
Frequently Asked Questions
What is the severity of CVE-2023-6382?
CVE-2023-6382 has a high-severity vulnerability rating due to the potential for stored cross-site scripting attacks.
How do I fix CVE-2023-6382?
To fix CVE-2023-6382, update the Master Slider plugin to version 3.9.10 or later.
What impact does CVE-2023-6382 have on my WordPress site?
CVE-2023-6382 allows attackers to inject malicious scripts into your website, compromising user data and site integrity.
Who is affected by CVE-2023-6382?
Any WordPress site using the Master Slider plugin version 3.9.9 or earlier is susceptible to CVE-2023-6382.
Is there a workaround for CVE-2023-6382 if I cannot update immediately?
As a temporary workaround for CVE-2023-6382, avoid using the 'ms_slide' shortcode until the plugin is updated.
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