CVE-2017-7402: Pixie 1.0.4 allows remote authenticated users to upload and execute arbitrary PHP code via the POST data in an

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2017-7402 is a critical-severity flaw (CVSS 9.8) affecting pixie. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Pixie 1.0.4 allows remote authenticated users to upload and execute arbitrary PHP code via the POST data in an admin/index.php?s=publish&x=filemanager request for a filename with a double extension, such as a .jpg.php file with Content-Type of image/jpeg.

Why this priority

Critical severity
EPSS top 8%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	5.0% (top 8%)
CISA exploited list	No
Weakness	CWE-94
Published	2017-04-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: lucidcrew

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

Am I affected?

Timeline

2017-04-03 17:59 UTCPublished CVE record published
2026-06-17 01:24 UTCUpdated Record last modified

lucidcrew pixie DOWNGRADE

Affected: 1.04

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.04

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.04 (Debian / Ubuntu)

apt-cache madison pixie sudo apt install pixie=<VERSION_BEFORE_1.04> sudo apt-mark hold pixie

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

dnf --showduplicates list pixie sudo dnf downgrade pixie-<VERSION_BEFORE_1.04> sudo dnf versionlock add pixie

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: Pixie 1.0.4 - Arbitrary File Upload

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-2017-7402?

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

Is CVE-2017-7402 being exploited?

CVE-2017-7402 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-2017-7402 affect?

CVE-2017-7402 affects pixie. Severity is critical (CVSS 9.8). Pixie 1.0.4 allows remote authenticated users to upload and execute arbitrary PHP code via the POST data in an admin/index.php?s=publish&x=filemanager request for a filename with a double extension, such as a .jpg.php file with Content-Type

How urgent is CVE-2017-7402?

Priority 67/100. Critical severity; EPSS top 8%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2019-10766 CRITICAL 9.8 UPGRADE Pixie versions 1.0.x before 1.0.3, and 2.0.x before 2.0.2 allow SQL Injection in the limit() function due to i
CVE-2017-7363 MEDIUM 6.1 DOWNGRADE Pixie 1.0.4 allows an admin/index.php s=publish&m=module&x= XSS attack.
CVE-2017-7362 MEDIUM 6.1 DOWNGRADE Pixie 1.0.4 allows an admin/index.php s=publish&m=dynamic&x= XSS attack.
CVE-2017-7361 MEDIUM 6.1 DOWNGRADE Pixie 1.0.4 allows an admin/index.php s=publish&m=static&x= XSS attack.
CVE-2017-7360 MEDIUM 6.1 DOWNGRADE Pixie 1.0.4 allows an admin/index.php s=settings&x= XSS attack.

References

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