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CVE-2023-6382: The Master Slider – Responsive Touch Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting

29
Routine
MEDIUM 6.4UPGRADE

CVE-2023-6382 is a medium-severity flaw (CVSS 6.4) affecting master slider. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 when

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.4 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.3% (top 75%)
CISA exploited listNo
WeaknessCWE-79
Published2024-06-01
Last modified2026-06-17
Publisher (CNA): Wordfence · Vendor: averta

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

averta master slider UPGRADE
Affected: < 3.9.10
Fixed in: 3.9.10
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy master-slider || rpm -q master-slider || master-slider --version
2. UPGRADE to 3.9.10 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade master-slider
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade master-slider
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-6382?

master slider: upgrade to 3.9.10. Exact commands for each OS are on this page.

Is CVE-2023-6382 being exploited?

CVE-2023-6382 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-6382 affect?

CVE-2023-6382 affects master slider. Severity is medium (CVSS 6.4). 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 outpu

How urgent is CVE-2023-6382?

Priority 29/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

References

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