CVE-2025-27411
REDAXO allows Arbitrary File Upload in the mediapool page
REDAXO is a PHP-based CMS. In Redaxo before 5.18.3, the mediapool/media page is vulnerable to arbitrary file upload. This vulnerability is fixed in 5.18.3.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
REDAXO allows Arbitrary File Upload in the mediapool page
REDAXO is a PHP-based CMS. In Redaxo before 5.18.3, the mediapool/media page is vulnerable to arbitrary file upload. This vulnerability is fixed in 5.18.3.
- Record
CVE-2025-27411- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-434
- Updated
- 2026-11-02
EUVDEUVD-2025-6166
REDAXO is a PHP-based CMS. In Redaxo before 5.18.3, the mediapool/media page is vulnerable to arbitrary file upload. This vulnerability is fixed in 5.18.3.
- Record
EUVD-2025-6166- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-wppf-gqj5-fc4f
REDAXO allows Arbitrary File Upload in the mediapool page
Summary
An arbitrary file upload vulnerability was identified in the redaxo. This flaw permits users to upload malicious files, which can lead to JavaScript code execution and distribute malware.
Details
On the latest version of Redaxo, v5.18.2, the mediapool/media page is vulnerable to arbitrary file upload.
PoC
- Log in to the portal then navigate to
Mediapool. - Upload a png file (ex: poc.png)
- Intercept the upload HTTP request on burp suite and change
filename: poc.1html,Content-Type:image/htmland insert the malicious html code. (ex:<IFRAME SRC="javascript:alert(1);"></IFRAME>)
-
Forward the request.
-
Navigate to the file.
Impact
Exploiting an arbitrary file upload vulnerability enables attackers to execute malicious code on a server.
- Record
GHSA-wppf-gqj5-fc4f- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-434
- Updated
- 2026-11-02
NVD
REDAXO is a PHP-based CMS. In Redaxo before 5.18.3, the mediapool/media page is vulnerable to arbitrary file upload. This vulnerability is fixed in 5.18.3.
- Record
CVE-2025-27411- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-434
- Updated
- 2026-11-02
OSV
REDAXO allows Arbitrary File Upload in the mediapool page
REDAXO is a PHP-based CMS. In Redaxo before 5.18.3, the mediapool/media page is vulnerable to arbitrary file upload. This vulnerability is fixed in 5.18.3.
- Record
CVE-2025-27411- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-434
- Updated
- 2026-11-02
OSVGHSA-wppf-gqj5-fc4f
REDAXO allows Arbitrary File Upload in the mediapool page
Summary
An arbitrary file upload vulnerability was identified in the redaxo. This flaw permits users to upload malicious files, which can lead to JavaScript code execution and distribute malware.
Details
On the latest version of Redaxo, v5.18.2, the mediapool/media page is vulnerable to arbitrary file upload.
PoC
- Log in to the portal then navigate to
Mediapool. - Upload a png file (ex: poc.png)
- Intercept the upload HTTP request on burp suite and change
filename: poc.1html,Content-Type:image/htmland insert the malicious html code. (ex:<IFRAME SRC="javascript:alert(1);"></IFRAME>)
-
Forward the request.
-
Navigate to the file.
Impact
Exploiting an arbitrary file upload vulnerability enables attackers to execute malicious code on a server.
- Record
GHSA-wppf-gqj5-fc4f- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-434
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
redaxo/sourcePackagist |
before 5.18.3 | 5.18.3 |
redaxo/sourcePackagist |
before 5.18.3, plus listed versions 5.10.05.10.0-beta15.10.0-beta25.10.15.11.0 Show 31 moreShow less5.11.0-beta15.11.15.11.25.12.05.12.0-beta15.12.0-beta25.12.0-beta35.12.15.13.05.13.0-beta15.13.0-beta25.13.15.13.25.13.35.14.05.14.0-beta15.14.0-beta25.14.15.14.25.14.35.15.05.15.0-beta15.15.15.16.05.16.0-beta15.16.15.17.05.17.15.18.05.18.15.18.2 |
5.18.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-27411 is a medium vulnerability (CVSS 5.4) in Redaxo, published March 5, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. Fixed in redaxo/source 5.18.3.
References
github.com/redaxo/redaxo/security/advisories/GHSA-wppf-gqj5-fc4f
nvd.nist.gov/vuln/detail/CVE-2025-27411