CVE-2006-2167: Cross-site scripting (XSS) vulnerability in SloughFlash SF-Users 1.0, possibly in register.php, allows remote

Routine

MEDIUM 4.3DOWNGRADE

CVE-2006-2167 is a medium-severity flaw (CVSS 4.3) affecting sf-users. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in SloughFlash SF-Users 1.0, possibly in register.php, allows remote attackers to inject arbitrary web script or HTML by setting the username field to contain JavaScript in the SRC attribute of an IMG element.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.3% (top 29%)
CISA exploited list	No
Published	2006-05-04
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sloughflash

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

Am I affected?

Timeline

2006-05-04 12:38 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

sloughflash sf-users DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy sf-users || rpm -q sf-users || sf-users --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison sf-users sudo apt install sf-users=<VERSION_BEFORE_1.0> sudo apt-mark hold sf-users

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list sf-users sudo dnf downgrade sf-users-<VERSION_BEFORE_1.0> sudo dnf versionlock add sf-users

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2006-2167?

sf-users: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-2167 being exploited?

CVE-2006-2167 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-2006-2167 affect?

CVE-2006-2167 affects sf-users. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in SloughFlash SF-Users 1.0, possibly in register.php, allows remote attackers to inject arbitrary web script or HTML by setting the username field to contain JavaScript in the SRC attribute of an IM

How urgent is CVE-2006-2167?

Priority 33/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

References

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