CVE-2006-4088: Multiple cross-site scripting (XSS) vulnerabilities in CivicSpace 0.8.5 allow remote attackers to inject arbit

Routine

MEDIUM 4.3DOWNGRADE

CVE-2006-4088 is a medium-severity flaw (CVSS 4.3) affecting civicspace. 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 CivicSpace 0.8.5 allow remote attackers to inject arbitrary web script or HTML via the (1) Subject, (2) Comment, and (3) Add new comment sections.

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	1.2% (top 32%)
CISA exploited list	No
Published	2006-08-11
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: civicspace

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

Am I affected?

Timeline

2006-08-11 10:04 UTCPublished CVE record published
2026-06-16 22:28 UTCUpdated Record last modified

civicspace civicspace DOWNGRADE

Affected: 0.8.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.8.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.8.5 (Debian / Ubuntu)

apt-cache madison civicspace sudo apt install civicspace=<VERSION_BEFORE_0.8.5> sudo apt-mark hold civicspace

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

dnf --showduplicates list civicspace sudo dnf downgrade civicspace-<VERSION_BEFORE_0.8.5> sudo dnf versionlock add civicspace

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-2006-4088?

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

Is CVE-2006-4088 being exploited?

CVE-2006-4088 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-2006-4088 affect?

CVE-2006-4088 affects civicspace. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in CivicSpace 0.8.5 allow remote attackers to inject arbitrary web script or HTML via the (1) Subject, (2) Comment, and (3) Add new comment sections.

How urgent is CVE-2006-4088?

Priority 32/100. No elevated risk signals yet.

References

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