CVE-2006-0361: Cross-site scripting (XSS) vulnerability in addcomment.php in Bit 5 Blog 8.01 allows remote attackers to injec

This month

MEDIUM 4.3DOWNGRADE

CVE-2006-0361 is a medium-severity flaw (CVSS 4.3) affecting bit 5 blog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in addcomment.php in Bit 5 Blog 8.01 allows remote attackers to inject arbitrary web script or HTML via a javascript URI in an <a> tag in the comment parameter, which strips most tags but not <a>.

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	2.1% (top 18%)
CISA exploited list	No
Published	2006-01-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bit 5 blog

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

Am I affected?

Timeline

2006-01-22 20:03 UTCPublished CVE record published
2026-06-16 22:20 UTCUpdated Record last modified

bit 5 blog bit 5 blog DOWNGRADE

Affected: 8.01

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.01

1. Check installed version

apt-cache policy bit-5-blog || rpm -q bit-5-blog || bit-5-blog --version

2. No fixed release: DOWNGRADE to a release before 8.01 (Debian / Ubuntu)

apt-cache madison bit-5-blog sudo apt install bit-5-blog=<VERSION_BEFORE_8.01> sudo apt-mark hold bit-5-blog

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

dnf --showduplicates list bit-5-blog sudo dnf downgrade bit-5-blog-<VERSION_BEFORE_8.01> sudo dnf versionlock add bit-5-blog

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: Bit 5 Blog 8.1 - 'addcomment.php' HTML Injection

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-2006-0361?

bit 5 blog: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-0361 being exploited?

CVE-2006-0361 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-2006-0361 affect?

CVE-2006-0361 affects bit 5 blog. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in addcomment.php in Bit 5 Blog 8.01 allows remote attackers to inject arbitrary web script or HTML via a javascript URI in an <a> tag in the comment parameter, which strips most tags but not <a>.

How urgent is CVE-2006-0361?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-0320 HIGH 7.5 UPGRADE SQL injection vulnerability in admin/processlogin.php in Bit 5 Blog 8.01 allows remote attackers to execute ar

References

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