CVE-2018-1000207
HighExploitedMODX Revolution Incorrect Access Control vulnerability
Published May 13, 2022 · Updated Jul 8, 2026 · Also known as GHSA-m899-6mh4-mpc5
Key Facts
Patch immediately- CVE-2018-1000207 is a high-severity vulnerability (CVSS 7.2 v3.1) affecting Modx Revolution, modx/revolution (composer).
- It is exploited in the wild, listed in Industry KEV feed since Sep 26, 2018. No public exploit code is known.
- EPSS estimates a 64% probability of exploitation in the next 30 days.
- Fixed versions are available, including Modx Revolution <=2.6.4, modx/revolution 2.7.0, Modx Revolution 2.6.4.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.2
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
64%
Higher than 99.2% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
None known
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Description
MODX Revolution version <=2.6.4 contains a Incorrect Access Control vulnerability in Filtering user parameters before passing them into phpthumb class that can result in Creating file with custom a filename and content. This attack appear to be exploitable via Web request. This vulnerability appears to have been fixed in commit 06bc94257408f6a575de20ddb955aca505ef6e68.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Sep 26, 2018 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Modx RevolutionModx | See advisory | 2.6.4 |
| modx/revolutioncomposer | See advisory | 2.7.0 |
Patched Releases
Modx Revolution
<=2.6.4
modx/revolution
2.7.0
Timeline
Added to Industry KEV feed
Sep 26, 2018
Publicly disclosed
May 13, 2022
Last updated
Jul 8, 2026
Weakness Type
- CWE-732 Incorrect Permission Assignment for Critical Resource
References
- advisoryhttps://github.com/a2u/CVE-2018-1000207
- advisoryGHSA advisory
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2018-1000207
- patchhttps://github.com/modxcms/revolution/commit/06bc94257408f6a575de20ddb955aca505ef6e68
- exploithttps://github.com/modxcms/revolution/pull/13979
FAQ
Common Questions.
MODX Revolution version <=2.6.4 contains a Incorrect Access Control vulnerability in Filtering user parameters before passing them into phpthumb class that can result in Creating file with custom a filename and content.
Affected: Modx Revolution; modx/revolution (composer). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Sep 26, 2018.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Modx Revolution <=2.6.4, modx/revolution 2.7.0, Modx Revolution 2.6.4.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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