CVE-2006-0136: Multiple cross-site scripting (XSS) vulnerabilities in the guestbook module in modules.php in Phanatic Softwar

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MEDIUM 4.3DOWNGRADE

CVE-2006-0136 is a medium-severity flaw (CVSS 4.3) affecting chimera web portal. 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 the guestbook module in modules.php in Phanatic Softwares Chimera Web Portal System 0.2 allow remote attackers to inject arbitrary web script or HTML via the (1) comment_poster, (2) comment_poster_email, (3) comment_poster_homepage, and (4) comment_text parameters.

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	1.8% (top 22%)
CISA exploited list	No
Published	2006-01-09
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phanatic softwares

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

Am I affected?

Timeline

2006-01-09 11:03 UTCPublished CVE record published
2026-06-16 22:19 UTCUpdated Record last modified

phanatic softwares chimera web portal DOWNGRADE

Affected: 0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.2

1. Check installed version

apt-cache policy chimera-web-portal || rpm -q chimera-web-portal || chimera-web-portal --version

2. No fixed release: DOWNGRADE to a release before 0.2 (Debian / Ubuntu)

apt-cache madison chimera-web-portal sudo apt install chimera-web-portal=<VERSION_BEFORE_0.2> sudo apt-mark hold chimera-web-portal

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

dnf --showduplicates list chimera-web-portal sudo dnf downgrade chimera-web-portal-<VERSION_BEFORE_0.2> sudo dnf versionlock add chimera-web-portal

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: Chimera Web Portal 0.2 - 'modules.php' Multiple Cross-Site Scripting Vulnerabilities

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-2006-0136?

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

Is CVE-2006-0136 being exploited?

CVE-2006-0136 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-2006-0136 affect?

CVE-2006-0136 affects chimera web portal. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in the guestbook module in modules.php in Phanatic Softwares Chimera Web Portal System 0.2 allow remote attackers to inject arbitrary web script or HTML via the (1) comment_poster, (2) com

How urgent is CVE-2006-0136?

Priority 40/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-0137 HIGH 7.5 DOWNGRADE SQL injection vulnerability in linkcategory.php in Phanatic Softwares Chimera Web Portal System 0.2 allows rem

References

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