CVE-2013-1470: Cross-site scripting (XSS) vulnerability in calendar/index.php in the Calendar plugin in Geeklog before 1.8.2s

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MEDIUM 4.3DOWNGRADE

CVE-2013-1470 is a medium-severity flaw (CVSS 4.3) affecting geeklog. 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/index.php in the Calendar plugin in Geeklog before 1.8.2sr1 and 2.0.0 before 2.0.0rc2 allows remote attackers to inject arbitrary web script or HTML via the calendar_type parameter to submit.php.

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	1.9% (top 20%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-02-05
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: geeklog

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

Am I affected?

Timeline

2014-02-05 15:10 UTCPublished CVE record published
2026-06-16 23:51 UTCUpdated Record last modified

geeklog geeklog DOWNGRADE

Affected: 1.8.2 · 2.0.0 rc1 · 2.0.0 rc2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.8.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.8.2 (Debian / Ubuntu)

apt-cache madison geeklog sudo apt install geeklog=<VERSION_BEFORE_1.8.2> sudo apt-mark hold geeklog

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

dnf --showduplicates list geeklog sudo dnf downgrade geeklog-<VERSION_BEFORE_1.8.2> sudo dnf versionlock add geeklog

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-2013-1470?

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

Is CVE-2013-1470 being exploited?

CVE-2013-1470 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-2013-1470 affect?

CVE-2013-1470 affects geeklog. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in calendar/index.php in the Calendar plugin in Geeklog before 1.8.2sr1 and 2.0.0 before 2.0.0rc2 allows remote attackers to inject arbitrary web script or HTML via the calendar_type parameter to sub

How urgent is CVE-2013-1470?

Priority 40/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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