CVE-2006-0650: Cross-site scripting (XSS) vulnerability in cpaint2.inc.php in the CPAINT library before 2.0.3, as used in mul

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MEDIUM 4.3DOWNGRADE

CVE-2006-0650 is a medium-severity flaw (CVSS 4.3) affecting cpaint. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in cpaint2.inc.php in the CPAINT library before 2.0.3, as used in multiple scripts, allows remote attackers to inject arbitrary web script or HTML via the cpaint_response_type parameter, which is displayed in a resulting error message, as demonstrated using a hex-encoded IFRAME 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	2.2% (top 18%)
CISA exploited list	No
Published	2006-02-13
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: cpaint

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

Am I affected?

Timeline

2006-02-13 11:06 UTCPublished CVE record published
2026-06-16 22:21 UTCUpdated Record last modified

cpaint cpaint DOWNGRADE

Affected: 1.0 · 1.01 · 1.2 · 1.3 · 1.3_sp · 1.3_sp1 · 2.0.0 · 2.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

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

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

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

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

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: CPAINT 1.3/2.0.2 - 'TYPE.php' Cross-Site Scripting

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-2006-0650?

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

Is CVE-2006-0650 being exploited?

CVE-2006-0650 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-2006-0650 affect?

CVE-2006-0650 affects cpaint. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in cpaint2.inc.php in the CPAINT library before 2.0.3, as used in multiple scripts, allows remote attackers to inject arbitrary web script or HTML via the cpaint_response_type parameter, which is dis

How urgent is CVE-2006-0650?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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