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)

EPSS: 0.003 (19.9th 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

Weakness classification (CWE)

References

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.