What is CVE-2020-23182?

CVE-2020-23182 is a medium-severity vulnerability in Php-Fusion, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 5.4/10. Published 2021-07-02.

How severe is CVE-2020-23182?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Open Redirect in Php-Fusion

CVE-2020-23182

The component /php-fusion/infusions/shoutbox_panel/shoutbox_archive.php in PHP-Fusion 9.03.60 allows attackers to redirect victim users to malicious websites via a crafted payload entered into the Shoutbox message panel.

Vulnerability class: Open Redirect

Published 2021-07-02 · last modified 2026-06-17.

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: 0.005 (41.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Php-Fusion — versions 9.03.60

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

github.com/phpfusion/PHPFusion/issues/2329 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-23182?: CVE-2020-23182 is a medium-severity vulnerability in Php-Fusion, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 5.4/10. Published 2021-07-02.
How severe is CVE-2020-23182?: Medium severity. CVSS v3 base score is 5.4 out of 10.