CVE-2022-3357

Name: CVE-2022-3357
Creator: NVD / NIST
Published: 2022-10-31T16:15:11.2+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.90%

Last modified Jun 17, 2026

CVE-2022-3357 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The Smart Slider 3 WordPress plugin before 3.5.1.11 unserialises the content of an imported file, which could lead to PHP object injection issues when a user import (intentionally or not) a malicious file, and a suitable gadget chain is present on the site.. EPSS estimates a 1.90% chance of exploitation in the next 30 days.

Description

The Smart Slider 3 WordPress plugin before 3.5.1.11 unserialises the content of an imported file, which could lead to PHP object injection issues when a user import (intentionally or not) a malicious file, and a suitable gadget chain is present on the site.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.90%

77.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-502

Affected Software

Vendor	Product	Versions
Nextendweb	Smart Slider 3	< 3.5.1.11

References

https://wpscan.com/vulnerability/2e28a4e7-e7d3-485c-949c-e300e5b66cbdExploit, Third Party Advisory
https://wpscan.com/vulnerability/2e28a4e7-e7d3-485c-949c-e300e5b66cbdExploit, Third Party Advisory

Timeline

Published: Oct 31, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-3357?

How severe is CVE-2022-3357?

CVE-2022-3357 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.90% probability of exploitation in the next 30 days.

How do I fix CVE-2022-3357?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-3357?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST