CVE-2011-3622: A Cross-Site Scripting (XSS) vulnerability exists in the admin login screen in Phorum before 5.2.18.

Q: How do I fix CVE-2011-3622?

phorum: upgrade to 5.2.18. Exact commands for each OS are on this page.

Q: Is CVE-2011-3622 being exploited?

CVE-2011-3622 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2011-3622 affect?

CVE-2011-3622 affects phorum. Severity is medium (CVSS 6.1). A Cross-Site Scripting (XSS) vulnerability exists in the admin login screen in Phorum before 5.2.18.

Q: How urgent is CVE-2011-3622?

Priority 34/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2011-3622 is a medium-severity flaw (CVSS 6.1) affecting phorum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 49%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-01-22
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: phorum

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-01-22 20:15 UTCPublished CVE record published
2026-06-16 23:33 UTCUpdated Record last modified

phorum phorum UPGRADE

Affected: < 5.2.18

Fixed in: 5.2.18

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy phorum || rpm -q phorum || phorum --version

2. UPGRADE to 5.2.18 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade phorum

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade phorum

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2011-3622?

phorum: upgrade to 5.2.18. Exact commands for each OS are on this page.

Is CVE-2011-3622 being exploited?

CVE-2011-3622 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2011-3622 affect?

CVE-2011-3622 affects phorum. Severity is medium (CVSS 6.1). A Cross-Site Scripting (XSS) vulnerability exists in the admin login screen in Phorum before 5.2.18.

How urgent is CVE-2011-3622?

Priority 34/100. No elevated risk signals yet.

References

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