CVE-2024-5649: The Universal Slider plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and inc

Q: How do I fix CVE-2024-5649?

universal slider: upgrade to newer than 1.6.5. Exact commands for each OS are on this page.

Q: Is CVE-2024-5649 being exploited?

CVE-2024-5649 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-5649 affect?

CVE-2024-5649 affects universal slider. Severity is medium (CVSS 5.4). The Universal Slider plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.6.5 via deserialization of untrusted input 'fsl_get_gallery_value' function. This makes it possible for authenticated at

Q: How urgent is CVE-2024-5649?

Priority 28/100. No elevated risk signals yet.

Routine

MEDIUM 5.4UPGRADE

CVE-2024-5649 is a medium-severity flaw (CVSS 5.4) affecting universal slider. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Universal Slider plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.6.5 via deserialization of untrusted input 'fsl_get_gallery_value' function. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present via an additional plugin or theme installed on the t

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-502
Published	2024-06-19
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: webhuntinfotech

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

Am I affected?

Timeline

2024-06-19 04:15 UTCPublished CVE record published
2026-06-17 08:16 UTCUpdated Record last modified

webhuntinfotech universal slider UPGRADE

Affected: <= 1.6.5

Fixed in: newer than 1.6.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy universal-slider || rpm -q universal-slider || universal-slider --version

2. UPGRADE to newer than 1.6.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade universal-slider

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade universal-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-2024-5649?

universal slider: upgrade to newer than 1.6.5. Exact commands for each OS are on this page.

Is CVE-2024-5649 being exploited?

CVE-2024-5649 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-2024-5649 affect?

CVE-2024-5649 affects universal slider. Severity is medium (CVSS 5.4). The Universal Slider plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 1.6.5 via deserialization of untrusted input 'fsl_get_gallery_value' function. This makes it possible for authenticated at

How urgent is CVE-2024-5649?

Priority 28/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities · PHP vulnerabilities

References

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