CVE-2022-26149: MODX Revolution through 2.8.3-pl allows remote authenticated administrators to execute arbitrary code by uploa

Q: How do I fix CVE-2022-26149?

revolution: upgrade to newer than 2.8.3. Exact commands for each OS are on this page.

Q: Is CVE-2022-26149 being exploited?

CVE-2022-26149 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-26149 affect?

CVE-2022-26149 affects revolution. Severity is high (CVSS 7.2). MODX Revolution through 2.8.3-pl allows remote authenticated administrators to execute arbitrary code by uploading an executable file, because the Uploadable File Types setting can be changed by an administrator.

Q: How urgent is CVE-2022-26149?

Priority 54/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference

This week

HIGH 7.2UPGRADE

CVE-2022-26149 is a high-severity flaw (CVSS 7.2) affecting revolution. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MODX Revolution through 2.8.3-pl allows remote authenticated administrators to execute arbitrary code by uploading an executable file, because the Uploadable File Types setting can be changed by an administrator.

Why this priority

High severity
EPSS top 5%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	9.3% (top 5%)
CISA exploited list	No
Weakness	CWE-434
Published	2022-02-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: modx

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

Am I affected?

Timeline

2022-02-26 21:15 UTCPublished CVE record published
2026-06-17 04:34 UTCUpdated Record last modified

modx revolution UPGRADE

Affected: <= 2.8.3

Fixed in: newer than 2.8.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.8.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade revolution

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade revolution

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: MODX Revolution v2.8.3-pl - Authenticated Remote Code Execution

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-2022-26149?

revolution: upgrade to newer than 2.8.3. Exact commands for each OS are on this page.

Is CVE-2022-26149 being exploited?

CVE-2022-26149 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-2022-26149 affect?

CVE-2022-26149 affects revolution. Severity is high (CVSS 7.2). MODX Revolution through 2.8.3-pl allows remote authenticated administrators to execute arbitrary code by uploading an executable file, because the Uploadable File Types setting can be changed by an administrator.

How urgent is CVE-2022-26149?

Priority 54/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2017-1000067 HIGH 8.8 DOWNGRADE MODX Revolution version 2.x - 2.5.6 is vulnerable to blind SQL injection caused by improper sanitization by th
CVE-2015-1400 HIGH 7.5 DOWNGRADE SQL injection vulnerability in search.php in NPDS Revolution 13 allows remote attackers to execute arbitrary S
CVE-2010-4883 LOW 2.6 DOWNGRADE Cross-site scripting (XSS) vulnerability in manager/index.php in MODx Revolution 2.0.2-pl allows remote attack

References

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