XSS in Wbce Cms
CVE-2023-53909
WBCE CMS 1.6.1 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious JavaScript by uploading crafted SVG files through the media manager. Attackers can upload SVG files containing script tags to the /wbce/modules/elfinder/ef/php/connector.wbce.php endpoint and execute JavaScript when victims access the uploaded file.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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: 0.003 (23.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Wbce Cms — versions 1.6.1
- Wbce-Cms Wbce Cms — versions 1.6.1
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/51484 (Exploit, VDB Entry, Third Party Advisory, exploit)
- wbce-cms.org/ (Product, product)
- www.vulncheck.com/advisories/wbce-cms-svg-file-content-cross-site-scripting (Exploit, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-53909?
- CVE-2023-53909 is a medium-severity vulnerability in Wbce Cms, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-12-17.
- How severe is CVE-2023-53909?
- Medium severity. CVSS v3 base score is 5.4 out of 10.