CVE-2016-10758: PHPKIT 1.6.6 allows arbitrary File Upload, as demonstrated by a .php file to pkinc/admin/mediaarchive.php and

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HIGH 8.8DOWNGRADE

CVE-2016-10758 is a high-severity flaw (CVSS 8.8) affecting phpkit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHPKIT 1.6.6 allows arbitrary File Upload, as demonstrated by a .php file to pkinc/admin/mediaarchive.php and pkinc/func/default.php via the image_name parameter.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-434
Published	2019-05-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: phpkit

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

Am I affected?

Timeline

2019-05-24 18:29 UTCPublished CVE record published
2026-06-17 00:40 UTCUpdated Record last modified

phpkit phpkit DOWNGRADE

Affected: 1.6.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6.6

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.6.6 (Debian / Ubuntu)

apt-cache madison phpkit sudo apt install phpkit=<VERSION_BEFORE_1.6.6> sudo apt-mark hold phpkit

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

dnf --showduplicates list phpkit sudo dnf downgrade phpkit-<VERSION_BEFORE_1.6.6> sudo dnf versionlock add phpkit

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-2016-10758?

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

Is CVE-2016-10758 being exploited?

CVE-2016-10758 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-2016-10758 affect?

CVE-2016-10758 affects phpkit. Severity is high (CVSS 8.8). PHPKIT 1.6.6 allows arbitrary File Upload, as demonstrated by a .php file to pkinc/admin/mediaarchive.php and pkinc/func/default.php via the image_name parameter.

How urgent is CVE-2016-10758?

Priority 55/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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