What is CVE-2023-6528?

CVE-2023-6528 is a high-severity vulnerability in Themepunch Slider Revolution, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2024-01-08.

How severe is CVE-2023-6528?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2023-6528 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Themepunch Slider Revolution

CVE-2023-6528

The Slider Revolution WordPress plugin before 6.6.19 does not prevent users with at least the Author role from unserializing arbitrary content when importing sliders, potentially leading to Remote Code Execution.

Vulnerability class: Insecure Deserialization

Published 2024-01-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (70.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Themepunch Slider Revolution
Slider Revolution — versions 0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

wpscan.com/vulnerability/36ced447-84ea-4162-80d2-6df226cb53cb (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-6528?: CVE-2023-6528 is a high-severity vulnerability in Themepunch Slider Revolution, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2024-01-08.
How severe is CVE-2023-6528?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2023-6528 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.