CVE-2020-36942: Victor CMS 1.0 contains a file upload vulnerability that allows authenticated users to upload malicious PHP fi

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HIGH 8.8DOWNGRADE

CVE-2020-36942 is a high-severity flaw (CVSS 8.8) affecting victor cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Victor CMS 1.0 contains a file upload vulnerability that allows authenticated users to upload malicious PHP files through the profile image upload feature. Attackers can upload a PHP shell to the /img directory and execute system commands by accessing the uploaded file via web browser.

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	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-434
Published	2026-01-27
Last modified	2026-06-17

Publisher (CNA): VulnCheck · Vendor: victor cms project

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

Am I affected?

Timeline

2026-01-27 16:16 UTCPublished CVE record published
2026-06-17 03:16 UTCUpdated Record last modified

victor cms project victor cms DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy victor-cms || rpm -q victor-cms || victor-cms --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison victor-cms sudo apt install victor-cms=<VERSION_BEFORE_1.0> sudo apt-mark hold victor-cms

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

dnf --showduplicates list victor-cms sudo dnf downgrade victor-cms-<VERSION_BEFORE_1.0> sudo dnf versionlock add victor-cms

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-2020-36942?

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

Is CVE-2020-36942 being exploited?

CVE-2020-36942 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-2020-36942 affect?

CVE-2020-36942 affects victor cms. Severity is high (CVSS 8.8). Victor CMS 1.0 contains a file upload vulnerability that allows authenticated users to upload malicious PHP files through the profile image upload feature. Attackers can upload a PHP shell to the /img directory and execute system commands b

How urgent is CVE-2020-36942?

Priority 49/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

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References

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