ProcessWire CMS vulnerable to resource-exhaustion Denial of Service
ProcessWire CMS 3.0.246 allows a low-privileged user with lang-edit to upload a crafted ZIP to Language Support that is auto-extracted without limits prior to validation, enabling resource-exhaustion Denial of Service.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | processwire/processwire | <= 3.0.246 | no fix |
References
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P- Weakness (CWE)
CWE-400, CWE-409- Platform
- Composer
- Package
processwire/processwire- Disclosed
- 21.10.2025
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-9p44-q66p-xm6p - CC BY 4.0
Vulnerability history: processwire/processwire
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 6
- First → latest
- 10.2022 04.2026
- Without a fix
- 6
- Exploited in attacks
- 0
Severity breakdown
- High 1
- Medium 4
- Low 1
Disclosures per year
- 2022: 2
- 2023: 0
- 2024: 2
- 2025: 1
- 2026: 1
-
ProcessWire CMS vulnerable to resource-exhaustion Denial of Service this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.