XSS in Websitebaker
CVE-2023-53903
WebsiteBaker 2.13.3 contains a stored cross-site scripting vulnerability that allows authenticated users to upload malicious SVG files with embedded JavaScript. Attackers can upload crafted SVG files with script tags that execute when the file is viewed, enabling persistent cross-site scripting attacks.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (11.2th percentile) — read the EPSS interpretation.
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.
Affected products
- Websitebaker — versions 2.13.3
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, VDB Entry, Third Party Advisory, exploit)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Exploit, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-53903?
- CVE-2023-53903 is a medium-severity vulnerability in Websitebaker, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-12-16.
- How severe is CVE-2023-53903?
- Medium severity. CVSS v3 base score is 5.4 out of 10.