What is CVE-2011-3622?

CVE-2011-3622 is a medium-severity vulnerability in Phorum, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-01-22.

How severe is CVE-2011-3622?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Phorum

CVE-2011-3622

A Cross-Site Scripting (XSS) vulnerability exists in the admin login screen in Phorum before 5.2.18.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-01-22 · last modified 2026-06-16.

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.

EPSS exploit prediction

EPSS: 0.007 (49.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Phorum — versions before 5.2.18

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.openwall.com/lists/oss-security/2011/10/18/9 (Mailing List, Third Party Advisory)
www.phorum.org/phorum5/read.php

Frequently asked questions

What is CVE-2011-3622?: CVE-2011-3622 is a medium-severity vulnerability in Phorum, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-01-22.
How severe is CVE-2011-3622?: Medium severity. CVSS v3 base score is 6.1 out of 10.