XSS in Php-Fusion Phpfusion

CVE-2023-53928

PHPFusion 9.10.30 contains a stored cross-site scripting vulnerability in the file manager that allows attackers to upload malicious SVG files with embedded JavaScript. Attackers can upload SVG files with script tags that execute arbitrary JavaScript when viewed, potentially stealing user session information or performing client-side attacks.

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:N/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (16.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 16.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-53928: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-53928?
CVE-2023-53928 is a medium-severity vulnerability in Php-Fusion Phpfusion, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-12-17.
How severe is CVE-2023-53928?
Medium severity. CVSS v3 base score is 5.4 out of 10.