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4 vulnerabilities found for Vvveb CMS by Vvveb
CVE-2026-6257 (GCVE-0-2026-6257)
Vulnerability from nvd – Published: 2026-04-20 19:09 – Updated: 2026-06-23 16:17
VLAI
Title
Vvveb CMS < v1.0.8.2 Remote Code Execution via Media Management
Summary
Vvveb CMS v1.0.8.2 contains a remote code execution vulnerability in its media management functionality where a missing return statement in the file rename handler allows authenticated attackers to rename files to blocked extensions .php or .htaccess. Attackers can exploit this logic flaw by first uploading a text file and renaming it to .htaccess to inject Apache directives that register PHP-executable MIME types, then uploading another file and renaming it to .php to execute arbitrary operating system commands as the www-data user.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/givanz/Vvveb/commit/6fb8eaa998… | patch |
| https://www.vulncheck.com/advisories/vvveb-cms-re… | third-party-advisory |
Date Public
2026-04-20 00:00
Credits
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CVE-2026-6249 (GCVE-0-2026-6249)
Vulnerability from nvd – Published: 2026-04-20 19:57 – Updated: 2026-05-25 23:42
VLAI
Title
Vvveb CMS 1.0.8.2 Remote Code Execution via Media Upload
Summary
Vvveb CMS 1.0.8.2 contains a remote code execution vulnerability in its media upload handler that allows authenticated attackers to execute arbitrary operating system commands by uploading a PHP webshell with a .phtml extension. Attackers can bypass the extension deny-list and upload malicious files to the publicly accessible media directory, then request the file over HTTP to achieve full server compromise.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/givanz/Vvveb/commit/23ac0e8c75… | patch |
| https://www.vulncheck.com/advisories/vvveb-cms-re… | third-party-advisory |
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CVE-2026-6249 (GCVE-0-2026-6249)
Vulnerability from cvelistv5 – Published: 2026-04-20 19:57 – Updated: 2026-05-25 23:42
VLAI
Title
Vvveb CMS 1.0.8.2 Remote Code Execution via Media Upload
Summary
Vvveb CMS 1.0.8.2 contains a remote code execution vulnerability in its media upload handler that allows authenticated attackers to execute arbitrary operating system commands by uploading a PHP webshell with a .phtml extension. Attackers can bypass the extension deny-list and upload malicious files to the publicly accessible media directory, then request the file over HTTP to achieve full server compromise.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/givanz/Vvveb/commit/23ac0e8c75… | patch |
| https://www.vulncheck.com/advisories/vvveb-cms-re… | third-party-advisory |
Credits
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CVE-2026-6257 (GCVE-0-2026-6257)
Vulnerability from cvelistv5 – Published: 2026-04-20 19:09 – Updated: 2026-06-23 16:17
VLAI
Title
Vvveb CMS < v1.0.8.2 Remote Code Execution via Media Management
Summary
Vvveb CMS v1.0.8.2 contains a remote code execution vulnerability in its media management functionality where a missing return statement in the file rename handler allows authenticated attackers to rename files to blocked extensions .php or .htaccess. Attackers can exploit this logic flaw by first uploading a text file and renaming it to .htaccess to inject Apache directives that register PHP-executable MIME types, then uploading another file and renaming it to .php to execute arbitrary operating system commands as the www-data user.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/givanz/Vvveb/commit/6fb8eaa998… | patch |
| https://www.vulncheck.com/advisories/vvveb-cms-re… | third-party-advisory |
Date Public
2026-04-20 00:00
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