CVE-2023-0541: gsplugins gs_books_showcase Cross-site Scripting
Vulnerability summary
CVE-2023-0541 is a medium (CVSS 6.8) Cross-site Scripting vulnerability in gsplugins gs_books_showcase. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48.1% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 21-02-2023PublishedVulnerability first disclosed.
- 12-03-2025Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
- wordfenceSource6.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.61%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
0.00 pp
From 0.61% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Gsplugins1 product
- gs_books_showcase< 1.3.1
Unknown1 product
- gs books showcase< 1.3.1
Wordpress1 product
- gs-books-showcase≤ 1.3.0 (fixed in 1.3.1)
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/8453e587-cc8c-491a-af09-fc4ab215134bExploitVDB EntryTechnical DescriptionThird Party Advisory