CVE-2015-9509: The Easy Digital Downloads (EDD) Content Restriction extension for WordPress, as used with EDD 1.8.x before 1.

Routine

MEDIUM 6.1UPGRADEMITIGATE

CVE-2015-9509 is a medium-severity flaw (CVSS 6.1) affecting easy digital downloads, content restriction. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Easy Digital Downloads (EDD) Content Restriction extension for WordPress, as used with EDD 1.8.x before 1.8.7, 1.9.x before 1.9.10, 2.0.x before 2.0.5, 2.1.x before 2.1.11, 2.2.x before 2.2.9, and 2.3.x before 2.3.7, has XSS because add_query_arg is misused.

Why this priority

No elevated risk signals yet

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	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-10-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: awesomemotive · easydigitaldownloads

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

Am I affected?

Timeline

2019-10-23 17:15 UTCPublished CVE record published
2026-06-17 00:36 UTCUpdated Record last modified

awesomemotive easy digital downloads UPGRADE

Affected: >= 1.8 and < 1.8.7 · >= 1.9 and < 1.9.10 · >= 2.0 and < 2.0.5 · >= 2.1 and < 2.1.11 · >= 2.2 and < 2.2.9 · >= 2.3 and < 2.3.7

Fixed in: 1.8.7, 1.9.10, 2.0.5, 2.1.11, 2.2.9, 2.3.7

Safe to downgrade to: a release before 1.8

1. Check installed version

apt-cache policy easy-digital-downloads || rpm -q easy-digital-downloads || easy-digital-downloads --version

2. UPGRADE to 1.8.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade easy-digital-downloads

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade easy-digital-downloads

Note

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

3. If no update is available yet, DOWNGRADE to a release before 1.8 (Debian / Ubuntu)

apt-cache madison easy-digital-downloads sudo apt install easy-digital-downloads=<VERSION_BEFORE_1.8> sudo apt-mark hold easy-digital-downloads

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list easy-digital-downloads sudo dnf downgrade easy-digital-downloads-<VERSION_BEFORE_1.8> sudo dnf versionlock add easy-digital-downloads

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.

easydigitaldownloads content restriction MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy content-restriction || rpm -q content-restriction || content-restriction --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2015-9509?

easy digital downloads: upgrade to 1.8.7, 1.9.10, 2.0.5, 2.1.11, 2.2.9, 2.3.7; content restriction: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2015-9509 being exploited?

CVE-2015-9509 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-2015-9509 affect?

CVE-2015-9509 affects easy digital downloads, content restriction. Severity is medium (CVSS 6.1). The Easy Digital Downloads (EDD) Content Restriction extension for WordPress, as used with EDD 1.8.x before 1.8.7, 1.9.x before 1.9.10, 2.0.x before 2.0.5, 2.1.x before 2.1.11, 2.2.x before 2.2.9, and 2.3.x before 2.3.7, has XSS because add

How urgent is CVE-2015-9509?

Priority 36/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

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References

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