CVE-2006-5516: Multiple cross-site scripting (XSS) vulnerabilities in actions/usersettings.php in WikiNi before 0.4.4 allow r

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MEDIUM 4.3DOWNGRADE

CVE-2006-5516 is a medium-severity flaw (CVSS 4.3) affecting wikini. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in actions/usersettings.php in WikiNi before 0.4.4 allow remote attackers to inject arbitrary web script or HTML via the (1) name and (2) email parameters to wakka.php.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Published	2006-10-26
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: wikini

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

Am I affected?

Timeline

2006-10-26 16:07 UTCPublished CVE record published
2026-06-16 22:31 UTCUpdated Record last modified

wikini wikini DOWNGRADE

Affected: 0.4.2 · 0.4.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.4.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.4.2 (Debian / Ubuntu)

apt-cache madison wikini sudo apt install wikini=<VERSION_BEFORE_0.4.2> sudo apt-mark hold wikini

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

dnf --showduplicates list wikini sudo dnf downgrade wikini-<VERSION_BEFORE_0.4.2> sudo dnf versionlock add wikini

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: WikiNi 0.4.x - 'Waka.php' Multiple HTML Injection Vulnerabilities

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-2006-5516?

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

Is CVE-2006-5516 being exploited?

CVE-2006-5516 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-2006-5516 affect?

CVE-2006-5516 affects wikini. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in actions/usersettings.php in WikiNi before 0.4.4 allow remote attackers to inject arbitrary web script or HTML via the (1) name and (2) email parameters to wakka.php.

How urgent is CVE-2006-5516?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-2652 MEDIUM 6.8 UPGRADE Cross-site scripting (XSS) vulnerability in WikiNi 0.4.2 and earlier allows remote attackers to inject arbitra

References

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