XSS in Php-Fusion

CVE-2020-17450

PHP-Fusion 9.03 allows XSS on the preview page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (52.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Php-fusion
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-17450?: CVE-2020-17450 is a medium-severity vulnerability in Php-Fusion, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-08-12.
How severe is CVE-2020-17450?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-17450 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.