CVE-2014-4550: Cross-site scripting (XSS) vulnerability in preview-shortcode-external.php in the Shortcode Ninja plugin 1.4 a

Q: How do I fix CVE-2014-4550?

ninja: upgrade to newer than 1.4. Exact commands for each OS are on this page.

Q: Is CVE-2014-4550 being exploited?

CVE-2014-4550 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2014-4550 affect?

CVE-2014-4550 affects ninja. Severity is medium (CVSS 6.1). Cross-site scripting (XSS) vulnerability in preview-shortcode-external.php in the Shortcode Ninja plugin 1.4 and earlier for WordPress allows remote attackers to inject arbitrary web script or HTML via the shortcode parameter.

Q: How urgent is CVE-2014-4550?

Priority 49/100. EPSS top 10%: very likely to be exploited; Public exploit reference

This month

MEDIUM 6.1UPGRADE

CVE-2014-4550 is a medium-severity flaw (CVSS 6.1) affecting ninja. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in preview-shortcode-external.php in the Shortcode Ninja plugin 1.4 and earlier for WordPress allows remote attackers to inject arbitrary web script or HTML via the shortcode parameter.

Why this priority

EPSS top 10%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	3.9% (top 10%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-12-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: visualshortcodes

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

Am I affected?

Timeline

2019-12-27 20:15 UTCPublished CVE record published
2026-06-17 00:10 UTCUpdated Record last modified

visualshortcodes ninja UPGRADE

Affected: <= 1.4

Fixed in: newer than 1.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ninja

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ninja

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Shortcode Ninja <= 1.4 - Cross-Site Scripting

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-2014-4550?

ninja: upgrade to newer than 1.4. Exact commands for each OS are on this page.

Is CVE-2014-4550 being exploited?

CVE-2014-4550 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-2014-4550 affect?

CVE-2014-4550 affects ninja. Severity is medium (CVSS 6.1). Cross-site scripting (XSS) vulnerability in preview-shortcode-external.php in the Shortcode Ninja plugin 1.4 and earlier for WordPress allows remote attackers to inject arbitrary web script or HTML via the shortcode parameter.

How urgent is CVE-2014-4550?

Priority 49/100. EPSS top 10%: very likely to be exploited; Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

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CVE-2021-4336 MEDIUM 5.5 UPGRADE A vulnerability was found in ITRS Group monitor-ninja up to 2021.11.1

References

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