CVE-2006-2966: Cross-site scripting (XSS) vulnerability in Particle Soft Particle Wiki 1.0.2 allows remote attackers to injec

Routine

MEDIUM 4.3DOWNGRADE

CVE-2006-2966 is a medium-severity flaw (CVSS 4.3) affecting particle wiki. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Particle Soft Particle Wiki 1.0.2 allows remote attackers to inject arbitrary web script or HTML via a BR element with an extraneous IMG tag and a STYLE attribute that contains "/**/" comment sequences, which bypasses the XSS protection scheme.

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	2.2% (top 18%)
CISA exploited list	No
Published	2006-06-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: particle soft

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

Am I affected?

Timeline

2006-06-12 20:06 UTCPublished CVE record published
2026-06-16 22:26 UTCUpdated Record last modified

particle soft particle wiki DOWNGRADE

Affected: 1.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.2

1. Check installed version

apt-cache policy particle-wiki || rpm -q particle-wiki || particle-wiki --version

2. No fixed release: DOWNGRADE to a release before 1.0.2 (Debian / Ubuntu)

apt-cache madison particle-wiki sudo apt install particle-wiki=<VERSION_BEFORE_1.0.2> sudo apt-mark hold particle-wiki

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

dnf --showduplicates list particle-wiki sudo dnf downgrade particle-wiki-<VERSION_BEFORE_1.0.2> sudo dnf versionlock add particle-wiki

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-2006-2966?

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

Is CVE-2006-2966 being exploited?

CVE-2006-2966 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-2006-2966 affect?

CVE-2006-2966 affects particle wiki. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Particle Soft Particle Wiki 1.0.2 allows remote attackers to inject arbitrary web script or HTML via a BR element with an extraneous IMG tag and a STYLE attribute that contains "/**/" comment sequ

How urgent is CVE-2006-2966?

Priority 36/100. No elevated risk signals yet.

Related CVEs

CVE-2006-2861 HIGH 7.5 DOWNGRADE SQL injection vulnerability in index.php in Particle Wiki 1.0.2 and earlier allows remote attackers to execute

References

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