CVE-2006-0735: Cross-site scripting (XSS) vulnerability in BBcode.pm in M

This month

MEDIUM 4.3DOWNGRADEDOWNGRADE

CVE-2006-0735 is a medium-severity flaw (CVSS 4.3) affecting my blog, html-bbcode. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in BBcode.pm in M. Blom HTML::BBCode 1.04 and earlier, as used in products such as My Blog before 1.65, allows remote attackers to inject arbitrary Javascript via a javascript URI in an (1) img or (2) url BBcode tag.

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	2.9% (top 13%)
CISA exploited list	No
Published	2006-02-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: fuzzymonkey · m blom

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

Am I affected?

Timeline

2006-02-16 11:02 UTCPublished CVE record published
2026-06-16 22:21 UTCUpdated Record last modified

fuzzymonkey my blog DOWNGRADE

Affected: 1.0 · 1.2 · 1.3 · 1.4 · 1.5 · 1.6 · 1.21 · 1.22

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy my-blog || rpm -q my-blog || my-blog --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison my-blog sudo apt install my-blog=<VERSION_BEFORE_1.0> sudo apt-mark hold my-blog

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

dnf --showduplicates list my-blog sudo dnf downgrade my-blog-<VERSION_BEFORE_1.0> sudo dnf versionlock add my-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.

m blom html-bbcode DOWNGRADE

Affected: 1.03 · 1.04

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.03

1. Check installed version

apt-cache policy html-bbcode || rpm -q html-bbcode || html-bbcode --version

2. No fixed release: DOWNGRADE to a release before 1.03 (Debian / Ubuntu)

apt-cache madison html-bbcode sudo apt install html-bbcode=<VERSION_BEFORE_1.03> sudo apt-mark hold html-bbcode

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

dnf --showduplicates list html-bbcode sudo dnf downgrade html-bbcode-<VERSION_BEFORE_1.03> sudo dnf versionlock add html-bbcode

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: My Blog 1.63 - BBCode 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-2006-0735?

my blog: downgrade or apply the listed mitigation; html-bbcode: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-0735 being exploited?

CVE-2006-0735 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-2006-0735 affect?

CVE-2006-0735 affects my blog, html-bbcode. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in BBcode.pm in M. Blom HTML::BBCode 1.04 and earlier, as used in products such as My Blog before 1.65, allows remote attackers to inject arbitrary Javascript via a javascript URI in an (1) img or (2

How urgent is CVE-2006-0735?

Priority 42/100. Public exploit reference

References

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