What is CVE-2023-0660?

CVE-2023-0660 is a medium-severity vulnerability in Nextendweb Smart Slider 3, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-03-27.

How severe is CVE-2023-0660?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2023-0660 known to be exploited?

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

Vulnerability in Nextendweb Smart Slider 3

CVE-2023-0660

The Smart Slider 3 WordPress plugin before 3.5.1.14 does not properly validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Published 2023-03-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (39.0th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Nextendweb Smart Slider 3
Smart Slider 3 — versions 0

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/3fe712bc-ce7f-4b30-9fc7-1ff15aa5b6ce (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-0660?: CVE-2023-0660 is a medium-severity vulnerability in Nextendweb Smart Slider 3, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-03-27.
How severe is CVE-2023-0660?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-0660 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.