CVE-2006-5843: Cross-site scripting (XSS) vulnerability in index.php in Speedywiki 2.0 allows remote attackers to inject arbi

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MEDIUM 6.8DOWNGRADE

CVE-2006-5843 is a medium-severity flaw (CVSS 6.8) affecting speedywiki. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in index.php in Speedywiki 2.0 allows remote attackers to inject arbitrary web script or HTML via the showRevisions parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Weakness	CWE-79
Published	2006-11-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: speedywiki

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

Am I affected?

Timeline

2006-11-10 02:07 UTCPublished CVE record published
2026-06-16 22:31 UTCUpdated Record last modified

speedywiki speedywiki DOWNGRADE

Affected: 2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0 (Debian / Ubuntu)

apt-cache madison speedywiki sudo apt install speedywiki=<VERSION_BEFORE_2.0> sudo apt-mark hold speedywiki

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

dnf --showduplicates list speedywiki sudo dnf downgrade speedywiki-<VERSION_BEFORE_2.0> sudo dnf versionlock add speedywiki

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-2006-5843?

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

Is CVE-2006-5843 being exploited?

CVE-2006-5843 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-2006-5843 affect?

CVE-2006-5843 affects speedywiki. Severity is medium (CVSS 6.8). Cross-site scripting (XSS) vulnerability in index.php in Speedywiki 2.0 allows remote attackers to inject arbitrary web script or HTML via the showRevisions parameter.

How urgent is CVE-2006-5843?

Priority 49/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-5845 MEDIUM 6.5 DOWNGRADE Unrestricted file upload vulnerability in index.php in Speedywiki 2.0 allows remote authenticated users to upl
CVE-2006-5844 MEDIUM 5.0 DOWNGRADE Speedywiki 2.0 allows remote attackers to obtain the full path of the web server via the (1) showRevisions[] a

References

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