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HIGH severity

Unrestricted Upload of File with Dangerous Type in MODX RevolutionGHSA-j8jp-9x42-4pj5

HIGH

GHSA-j8jp-9x42-4pj5 is a high-severity (CVSS 7.2) Unrestricted File Upload vulnerability in modx/revolution. 2 public exploit references exist, so weaponization risk is real. No vendor fix is recorded yet; mitigation options are listed below.

Also known asCVE-2022-26149
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
2 known
Exploitation data as of Oct 11, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
9.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs95th percentile — riskier than 95% of all scored CVEsHighest risk
8.81%9.54%10.3%11.0%10.5%9.3%Apr 26Aug 26Oct 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

GHSA-j8jp-9x42-4pj5 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,738 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

1 pkg affected
🐘modx/revolution

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

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.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐘Packagistmodx/revolutionall versionsNo fix

Affected Products

1 product · 1 configurations
Application
revolutionmodx
≤ 2.8.3
range
Exploits & PoCs
2

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-51059webappsphp✓ Verified

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

by Sarang Tumne · Mar 25, 2023

Exploit-DB Source

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for modx/revolution, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    No patched version of modx/revolution has shipped for GHSA-j8jp-9x42-4pj5 yet. Where your build allows, override or pin the dependency away from the vulnerable range, and apply any maintainer-recommended mitigation.

  3. Mitigate without a patch

    Treat uploaded files as untrusted until proven otherwise: validate the actual content type rather than the supplied extension, store uploads outside the web root on a volume mounted without execute permission, and rename them to server-generated identifiers so an attacker cannot choose the path a request will later resolve.

Frequently Asked Questions

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.
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