What is CVE-2023-0541?

CVE-2023-0541 is a medium-severity vulnerability in Gsplugins Gs Books Showcase, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-02-21.

How severe is CVE-2023-0541?

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

Is CVE-2023-0541 known to be exploited?

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

Vulnerability in Gsplugins Gs Books Showcase

CVE-2023-0541

The GS Books Showcase WordPress plugin before 1.3.1 does not 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 2023-02-21 · 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 (47.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.0% 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

Gsplugins Gs Books Showcase
Gs Books Showcase — versions 0

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/8453e587-cc8c-491a-af09-fc4ab215134b (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-0541?: CVE-2023-0541 is a medium-severity vulnerability in Gsplugins Gs Books Showcase, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 5.4/10. Published 2023-02-21.
How severe is CVE-2023-0541?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-0541 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.