XSS in Php-Fusion

CVE-2020-12438

An XSS vulnerability exists in the banners.php page of PHP-Fusion 9.03.50. This can be exploited because the only security measure used against XSS is the stripping of SCRIPT tags. A malicious actor can use HTML event handlers to run JavaScript instead of using SCRIPT tags.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (44.4th 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

  • Php-fusion — versions 9.03.50
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-12438?
CVE-2020-12438 is a medium-severity vulnerability in Php-Fusion, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-04-28.
How severe is CVE-2020-12438?
Medium severity. CVSS v3 base score is 5.4 out of 10.