CVE-2020-25042: An arbitrary file upload issue exists in Mara CMS 7.5

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HIGH 7.2DOWNGRADE

CVE-2020-25042 is a high-severity flaw (CVSS 7.2) affecting maracms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An arbitrary file upload issue exists in Mara CMS 7.5. In order to exploit this, an attacker must have a valid authenticated (admin/manager) session and make a codebase/dir.php?type=filenew request to upload PHP code to codebase/handler.php.

Why this priority

High severity
EPSS top 3%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	18.6% (top 3%)
CISA exploited list	No
Weakness	CWE-434
Published	2020-09-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: maracms

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

Am I affected?

Timeline

2020-09-03 15:15 UTCPublished CVE record published
2026-06-17 03:06 UTCUpdated Record last modified

maracms maracms DOWNGRADE

Affected: 7.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 7.5 (Debian / Ubuntu)

apt-cache madison maracms sudo apt install maracms=<VERSION_BEFORE_7.5> sudo apt-mark hold maracms

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

dnf --showduplicates list maracms sudo dnf downgrade maracms-<VERSION_BEFORE_7.5> sudo dnf versionlock add maracms

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.

Metasploit: MaraCMS Arbitrary PHP 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-2020-25042?

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

Is CVE-2020-25042 being exploited?

CVE-2020-25042 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-2020-25042 affect?

CVE-2020-25042 affects maracms. Severity is high (CVSS 7.2). An arbitrary file upload issue exists in Mara CMS 7.5. In order to exploit this, an attacker must have a valid authenticated (admin/manager) session and make a codebase/dir.php?type=filenew request to upload PHP code to codebase/handler.php

How urgent is CVE-2020-25042?

Priority 55/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

References

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