CVE-2013-0237: Cross-site scripting (XSS) vulnerability in Plupload.as in Moxiecode plupload before 1.5.5, as used in WordPre

Q: How do I fix CVE-2013-0237?

plupload: upgrade to newer than 1.5.4; wordpress: upgrade to newer than 3.5.0; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2013-0237 being exploited?

CVE-2013-0237 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-2013-0237 affect?

CVE-2013-0237 affects plupload, wordpress, fedora. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Plupload.as in Moxiecode plupload before 1.5.5, as used in WordPress before 3.5.1 and other products, allows remote attackers to inject arbitrary web script or HTML via the id parameter.

Q: How urgent is CVE-2013-0237?

Priority 42/100. Public exploit reference

This month

MEDIUM 4.3UPGRADEUPGRADEMITIGATE

CVE-2013-0237 is a medium-severity flaw (CVSS 4.3) affecting plupload, wordpress, fedora. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in Plupload.as in Moxiecode plupload before 1.5.5, as used in WordPress before 3.5.1 and other products, allows remote attackers to inject arbitrary web script or HTML via the id parameter.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	3.1% (top 12%)
CISA exploited list	No
Weakness	CWE-79
Published	2013-07-08
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: fedoraproject · moxiecode · wordpress

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

Am I affected?

Timeline

2013-07-08 20:55 UTCPublished CVE record published
2026-06-16 23:49 UTCUpdated Record last modified

moxiecode plupload UPGRADE

Affected: <= 1.5.4 · 1.4.0 · 1.4.1 · 1.4.2 · 1.4.3 · 1.5.0 · 1.5.0 beta · 1.5.1

Fixed in: newer than 1.5.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.5.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade plupload

Note

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

wordpress wordpress UPGRADE

Affected: <= 3.5.0 · 0.71 · 1.0 · 1.0.1 · 1.0.2 · 1.1.1 · 1.2 · 1.2.1

Fixed in: newer than 3.5.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 3.5.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wordpress

Note

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

fedoraproject fedora MITIGATE

Affected: 16 · 17 · 18

Fixed in: no fixed release known

Safe to downgrade to: a release before 16

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2013-0237?

plupload: upgrade to newer than 1.5.4; wordpress: upgrade to newer than 3.5.0; fedora: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-0237 being exploited?

CVE-2013-0237 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-2013-0237 affect?

CVE-2013-0237 affects plupload, wordpress, fedora. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in Plupload.as in Moxiecode plupload before 1.5.5, as used in WordPress before 3.5.1 and other products, allows remote attackers to inject arbitrary web script or HTML via the id parameter.

How urgent is CVE-2013-0237?

Priority 42/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2021-23562 MEDIUM 4.2 UPGRADE This affects the package plupload before 2.3.9
CVE-2016-4566 MEDIUM 6.1 UPGRADE UPGRADE Cross-site scripting (XSS) vulnerability in plupload.flash.swf in Plupload before 2.1.9, as used in WordPress
CVE-2012-2401 MEDIUM 5.0 UPGRADE UPGRADE Plupload before 1.5.4, as used in wp-includes/js/plupload/ in WordPress before 3.3.2 and other products, enabl

References

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