CVE-2009-0764: Multiple cross-site scripting (XSS) vulnerabilities in Kipper 2.01 allow remote attackers to inject arbitrary

Routine

MEDIUM 4.3DOWNGRADE

CVE-2009-0764 is a medium-severity flaw (CVSS 4.3) affecting kipper. 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 Kipper 2.01 allow remote attackers to inject arbitrary web script or HTML via the charm parameter to (1) index.php and (2) kipper.php. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

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	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-79
Published	2009-03-06
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: bookelves

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

Am I affected?

Timeline

2009-03-06 06:50 UTCPublished CVE record published
2026-06-16 23:05 UTCUpdated Record last modified

bookelves kipper DOWNGRADE

Affected: 2.01

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.01

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.01 (Debian / Ubuntu)

apt-cache madison kipper sudo apt install kipper=<VERSION_BEFORE_2.01> sudo apt-mark hold kipper

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

dnf --showduplicates list kipper sudo dnf downgrade kipper-<VERSION_BEFORE_2.01> sudo dnf versionlock add kipper

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: Kipper 2.01 - Cross-Site Scripting / Local File Inclusion / File Disclosure

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-2009-0764?

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

Is CVE-2009-0764 being exploited?

CVE-2009-0764 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-2009-0764 affect?

CVE-2009-0764 affects kipper. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in Kipper 2.01 allow remote attackers to inject arbitrary web script or HTML via the charm parameter to (1) index.php and (2) kipper.php. NOTE: the provenance of this information is unkno

How urgent is CVE-2009-0764?

Priority 37/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2009-0767 MEDIUM 5.0 DOWNGRADE Kipper 2.01 stores sensitive information under the web root with insufficient access control, which allows rem
CVE-2009-0766 HIGH 7.5 DOWNGRADE Directory traversal vulnerability in default.php in Kipper 2.01 allows remote attackers to include and execute
CVE-2009-0765 HIGH 7.5 DOWNGRADE Directory traversal vulnerability in index.php in Kipper 2.01 allows remote attackers to include and execute a
CVE-2009-0763 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in default.php in Kipper 2.01 allows remote attackers to inject arbit

References

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