CVE-2006-1967: Cross-site scripting (XSS) vulnerability in calendar/Visitor.cgi in KCScripts Calendar, distributed individual

Routine

LOW 2.6DOWNGRADEDOWNGRADE

CVE-2006-1967 is a low-severity flaw (CVSS 2.6) affecting kcscripts calendar, portal pack. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in calendar/Visitor.cgi in KCScripts Calendar, distributed individually and as part of Portal Pack 6.0 and earlier, allows remote attackers to inject arbitrary web script or HTML via the sort_order parameter.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	2.6 (Low)
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Published	2006-04-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: kcscripts

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

Am I affected?

Timeline

2006-04-21 10:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

kcscripts kcscripts calendar DOWNGRADE

Affected: 6.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.1

1. Check installed version

apt-cache policy kcscripts-calendar || rpm -q kcscripts-calendar || kcscripts-calendar --version

2. No fixed release: DOWNGRADE to a release before 6.1 (Debian / Ubuntu)

apt-cache madison kcscripts-calendar sudo apt install kcscripts-calendar=<VERSION_BEFORE_6.1> sudo apt-mark hold kcscripts-calendar

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

dnf --showduplicates list kcscripts-calendar sudo dnf downgrade kcscripts-calendar-<VERSION_BEFORE_6.1> sudo dnf versionlock add kcscripts-calendar

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.

kcscripts portal pack DOWNGRADE

Affected: 6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

apt-cache policy portal-pack || rpm -q portal-pack || portal-pack --version

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison portal-pack sudo apt install portal-pack=<VERSION_BEFORE_6.0> sudo apt-mark hold portal-pack

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

dnf --showduplicates list portal-pack sudo dnf downgrade portal-pack-<VERSION_BEFORE_6.0> sudo dnf versionlock add portal-pack

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.

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-2006-1967?

kcscripts calendar: downgrade or apply the listed mitigation; portal pack: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-1967 being exploited?

CVE-2006-1967 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-2006-1967 affect?

CVE-2006-1967 affects kcscripts calendar, portal pack. Severity is low (CVSS 2.6). Cross-site scripting (XSS) vulnerability in calendar/Visitor.cgi in KCScripts Calendar, distributed individually and as part of Portal Pack 6.0 and earlier, allows remote attackers to inject arbitrary web script or HTML via the sort_order p

How urgent is CVE-2006-1967?

Priority 27/100. No elevated risk signals yet.

References

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