CVE-2018-6397: Directory Traversal exists in the Picture Calendar 3.1.4 component for Joomla! via the list.php folder paramet

This week

HIGH 7.5REMOTEDOWNGRADE

CVE-2018-6397 is a high-severity flaw (CVSS 7.5) affecting picture calendar. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory Traversal exists in the Picture Calendar 3.1.4 component for Joomla! via the list.php folder parameter.

Why this priority

High severity
EPSS top 4%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	11.9% (top 4%)
CISA exploited list	No
Weakness	CWE-22
Published	2018-01-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: joomlacalendars

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-01-30 15:29 UTCPublished CVE record published
2026-06-17 02:01 UTCUpdated Record last modified

joomlacalendars picture calendar DOWNGRADE

Affected: 3.1.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.1.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.1.4 (Debian / Ubuntu)

apt-cache madison picture-calendar sudo apt install picture-calendar=<VERSION_BEFORE_3.1.4> sudo apt-mark hold picture-calendar

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

dnf --showduplicates list picture-calendar sudo dnf downgrade picture-calendar-<VERSION_BEFORE_3.1.4> sudo dnf versionlock add picture-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.

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: Joomla! Component Picture Calendar for Joomla! 3.1.4 - Directory Traversal

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-2018-6397?

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

Is CVE-2018-6397 being exploited?

CVE-2018-6397 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-2018-6397 affect?

CVE-2018-6397 affects picture calendar. Severity is high (CVSS 7.5). Directory Traversal exists in the Picture Calendar 3.1.4 component for Joomla! via the list.php folder parameter.

How urgent is CVE-2018-6397?

Priority 60/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Joomla vulnerabilities · PHP vulnerabilities

References

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