CVE-2014-4940: Multiple directory traversal vulnerabilities in Tera Charts (tera-charts) plugin 0.1 for WordPress allow remot

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MEDIUM 5.0DOWNGRADE

CVE-2014-4940 is a medium-severity flaw (CVSS 5.0) affecting tera-charts. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple directory traversal vulnerabilities in Tera Charts (tera-charts) plugin 0.1 for WordPress allow remote attackers to read arbitrary files via a .. (dot dot) in the fn parameter to (1) charts/treemap.php or (2) charts/zoomabletreemap.php.

Why this priority

EPSS top 3%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	19.3% (top 3%)
CISA exploited list	No
Weakness	CWE-22
Published	2014-07-11
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tera charts plugin project

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

Am I affected?

Timeline

2014-07-11 20:55 UTCPublished CVE record published
2026-06-17 00:10 UTCUpdated Record last modified

tera charts plugin project tera-charts DOWNGRADE

Affected: 0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1

1. Check installed version

apt-cache policy tera-charts || rpm -q tera-charts || tera-charts --version

2. No fixed release: DOWNGRADE to a release before 0.1 (Debian / Ubuntu)

apt-cache madison tera-charts sudo apt install tera-charts=<VERSION_BEFORE_0.1> sudo apt-mark hold tera-charts

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

dnf --showduplicates list tera-charts sudo dnf downgrade tera-charts-<VERSION_BEFORE_0.1> sudo dnf versionlock add tera-charts

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: WordPress Plugin Tera Charts (tera-charts) - '/charts/treemap.php?fn' Directory Traversal
Exploit-DB: WordPress Plugin Tera Charts (tera-charts) - '/charts/zoomabletreemap.php?fn' Directory Traversal
Nuclei scan template: WordPress Plugin Tera Charts - Local File Inclusion

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-2014-4940?

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

Is CVE-2014-4940 being exploited?

CVE-2014-4940 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-2014-4940 affect?

CVE-2014-4940 affects tera-charts. Severity is medium (CVSS 5.0). Multiple directory traversal vulnerabilities in Tera Charts (tera-charts) plugin 0.1 for WordPress allow remote attackers to read arbitrary files via a .. (dot dot) in the fn parameter to (1) charts/treemap.php or (2) charts/zoomabletreemap

How urgent is CVE-2014-4940?

Priority 47/100. EPSS top 3%: very likely to be exploited; Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2016-1000151 MEDIUM 6.1 DOWNGRADE Reflected XSS in wordpress plugin tera-charts v1.0

References

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