Path Traversal in ImpressCMS
ImpressCMS before 1.4.2 allows unauthenticated remote code execution via ...../// directory traversal in origName or imageName, leading to unsafe interaction with the CKEditor processImage.php script. The payload may be placed in PHP_SESSION_UPLOAD_PROGRESS when the PHP installation supports upload_progress.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | impresscms/impresscms | < 1.4.2 | 1.4.2 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-22- Platform
- Composer
- Package
impresscms/impresscms- Disclosed
- 15.02.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-389p-fchr-q2mg - CC BY 4.0
Vulnerability history: impresscms/impresscms
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
- 13
- First → latest
- 03.2021 07.2023
- Without a fix
- 5
- Exploited in attacks
- 0
Severity breakdown
- Critical 3
- High 2
- Medium 8
Disclosures per year
- 2021: 2
- 2022: 10
- 2023: 1
- 2024: 0
- 2025: 0
- 2026: 0
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Path Traversal in ImpressCMS this entry
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