CVE-2005-1145: NOTE: this issue has been disputed by the vendor

Routine

MEDIUM 4.3DOWNGRADE

CVE-2005-1145 is a medium-severity flaw (CVSS 4.3) affecting calendarscript. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

NOTE: this issue has been disputed by the vendor. Cross-site scripting (XSS) vulnerability in calendar.pl in CalendarScript 3.20 allows remote attackers to inject arbitrary web script or HTML via the template parameter, a different vulnerability than CVE-2005-1146

Why this priority

No elevated risk signals yet

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
Published	2005-04-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: calendarscript

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

Am I affected?

Timeline

2005-04-12 04:00 UTCPublished CVE record published
2026-06-16 22:12 UTCUpdated Record last modified

calendarscript calendarscript DOWNGRADE

Affected: 3.20

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.20

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.20 (Debian / Ubuntu)

apt-cache madison calendarscript sudo apt install calendarscript=<VERSION_BEFORE_3.20> sudo apt-mark hold calendarscript

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

dnf --showduplicates list calendarscript sudo dnf downgrade calendarscript-<VERSION_BEFORE_3.20> sudo dnf versionlock add calendarscript

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-2005-1145?

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

Is CVE-2005-1145 being exploited?

CVE-2005-1145 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-2005-1145 affect?

CVE-2005-1145 affects calendarscript. Severity is medium (CVSS 4.3). NOTE: this issue has been disputed by the vendor. Cross-site scripting (XSS) vulnerability in calendar.pl in CalendarScript 3.20 allows remote attackers to inject arbitrary web script or HTML via the template parameter, a different vulnera

How urgent is CVE-2005-1145?

Priority 32/100. No elevated risk signals yet.

Related CVEs

CVE-2005-1148 MEDIUM 5.0 DOWNGRADE calendar.pl in CalendarScript 3.21 allows remote attackers to obtain sensitive information via invalid (1) yea
CVE-2005-1146 MEDIUM 4.3 DOWNGRADE NOTE: this issue has been disputed by the vendor

References

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