CVE-2006-2321: Multiple cross-site scripting (XSS) vulnerabilities in Ideal Science Ideal BB 1.5.4a and earlier allow remote

Routine

MEDIUM 4.3DOWNGRADE

CVE-2006-2321 is a medium-severity flaw (CVSS 4.3) affecting idealbb. 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 Ideal Science Ideal BB 1.5.4a and earlier allow remote attackers to inject arbitrary web script or HTML via unknown vectors. NOTE: due to lack of details from the researcher, it is not clear whether this overlaps CVE-2004-2207.

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	1.4% (top 28%)
CISA exploited list	No
Published	2006-05-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: ideal science

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

Am I affected?

Timeline

2006-05-12 00:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

ideal science idealbb DOWNGRADE

Affected: 1.5.0_beta1 · 1.5.0_beta2 · 1.5.0_beta3 · 1.5.0_beta4 · 1.5.0_rc1 · 1.5.1 · 1.5.2 · 1.5.2a

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.5.0_beta1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.5.0_beta1 (Debian / Ubuntu)

apt-cache madison idealbb sudo apt install idealbb=<VERSION_BEFORE_1.5.0_beta1> sudo apt-mark hold idealbb

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

dnf --showduplicates list idealbb sudo dnf downgrade idealbb-<VERSION_BEFORE_1.5.0_beta1> sudo dnf versionlock add idealbb

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-2006-2321?

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

Is CVE-2006-2321 being exploited?

CVE-2006-2321 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-2006-2321 affect?

CVE-2006-2321 affects idealbb. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in Ideal Science Ideal BB 1.5.4a and earlier allow remote attackers to inject arbitrary web script or HTML via unknown vectors. NOTE: due to lack of details from the researcher, it is not

How urgent is CVE-2006-2321?

Priority 33/100. No elevated risk signals yet.

Related CVEs

CVE-2006-2320 HIGH 7.5 DOWNGRADE Multiple SQL injection vulnerabilities in Ideal Science Ideal BB 1.5.4a and earlier allow remote attackers to
CVE-2006-2319 MEDIUM 5.0 DOWNGRADE Ideal Science Ideal BB 1.5.4a and earlier does not properly check file extensions before permitting an upload,
CVE-2006-2318 HIGH 7.5 DOWNGRADE Incomplete blacklist vulnerability in Ideal Science Ideal BB 1.5.4a and earlier allows remote attackers to upl
CVE-2006-2317 MEDIUM 5.0 DOWNGRADE Unspecified vulnerability in Ideal Science Ideal BB 1.5.4a and earlier allows remote attackers to read arbitra
CVE-2004-2209 HIGH 7.5 DOWNGRADE SQL injection vulnerability in Ideal Science IdealBB 1.4.9 through 1.5.3 allows remote attackers to execute ar

References

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