What is CVE-2023-0378?

CVE-2023-0378 is a medium-severity vulnerability in Wpsoul Greenshift, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-02-21.

How severe is CVE-2023-0378?

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

Is CVE-2023-0378 known to be exploited?

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

Vulnerability in Wpsoul Greenshift

CVE-2023-0378

The Greenshift WordPress plugin before 5.0 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Published 2023-02-21 · 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: 0.006 (48.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Wpsoul Greenshift
Greenshift — versions 0

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/3313cc05-2267-4d93-a8a8-2c0701c21f66 (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-0378?: CVE-2023-0378 is a medium-severity vulnerability in Wpsoul Greenshift, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-02-21.
How severe is CVE-2023-0378?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-0378 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.