CVE-2015-1000004: XSS in filedownload v1.4 wordpress plugin

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MEDIUM 6.1DOWNGRADE

CVE-2015-1000004 is a medium-severity flaw (CVSS 6.1) affecting filedownload. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

XSS in filedownload v1.4 wordpress plugin

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-79
Published	2016-10-06
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: filedownload project

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

Am I affected?

Timeline

2016-10-06 14:59 UTCPublished CVE record published
2026-06-17 00:21 UTCUpdated Record last modified

filedownload project filedownload DOWNGRADE

Affected: 1.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.4 (Debian / Ubuntu)

apt-cache madison filedownload sudo apt install filedownload=<VERSION_BEFORE_1.4> sudo apt-mark hold filedownload

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

dnf --showduplicates list filedownload sudo dnf downgrade filedownload-<VERSION_BEFORE_1.4> sudo dnf versionlock add filedownload

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.

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-2015-1000004?

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

Is CVE-2015-1000004 being exploited?

CVE-2015-1000004 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-2015-1000004 affect?

CVE-2015-1000004 affects filedownload. Severity is medium (CVSS 6.1). XSS in filedownload v1.4 wordpress plugin

How urgent is CVE-2015-1000004?

Priority 44/100. Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2015-1000003 CRITICAL 9.8 DOWNGRADE Blind SQL Injection in filedownload v1.4 wordpress plugin
CVE-2015-1000002 HIGH 8.2 DOWNGRADE Open Proxy in filedownload v1.4 wordpress plugin

References

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