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CVE-2025-52353

Badaso CMS file upload vulnerability

9.8 Critical

An arbitrary code execution vulnerability in Badaso CMS 2.9.11. The Media Manager allows authenticated users to upload files containing embedded PHP code via the file-upload endpoint, bypassing content-type validation. When such a file is accessed via its URL, the server executes the PHP payload, enabling an attacker to run arbitrary system commands and achieve full compromise of the underlying host. This has been demonstrated by embedding a backdoor within a PDF and renaming it with a .php extension.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.65%Up 0.6 points since Aug 27, 2025
90%50%10%1%

What each source reports

CVE List Score used 9.8

An arbitrary code execution vulnerability in Badaso CMS 2.9.11. The Media Manager allows authenticated users to upload files containing embedded PHP code via the file-upload endpoint, bypassing content-type validation. When such a file is accessed via its URL, the server executes the PHP payload, enabling an attacker to run arbitrary system commands and achieve full compromise of the underlying host. This has been demonstrated by embedding a backdoor within a PDF and renaming it with a .php extension.

Record
CVE-2025-52353
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02
EUVDEUVD-2025-25830 9.8

An arbitrary code execution vulnerability in Badaso CMS 2.9.11. The Media Manager allows authenticated users to upload files containing embedded PHP code via the file-upload endpoint, bypassing content-type validation. When such a file is accessed via its URL, the server executes the PHP payload, enabling an attacker to run arbitrary system commands and achieve full compromise of the underlying host. This has been demonstrated by embedding a backdoor within a PDF and renaming it with a .php extension.

Record
EUVD-2025-25830
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-gqp9-jh35-439m 8.9

Badaso CMS file upload vulnerability

An arbitrary code execution vulnerability in Badaso CMS 2.9.11. The Media Manager allows authenticated users to upload files containing embedded PHP code via the file-upload endpoint, bypassing content-type validation. When such a file is accessed via its URL, the server executes the PHP payload, enabling an attacker to run arbitrary system commands and achieve full compromise of the underlying host. This has been demonstrated by embedding a backdoor within a PDF and renaming it with a .php extension.

Record
GHSA-gqp9-jh35-439m
CVSS 4.0
8.9 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Weakness
CWE-434
Updated
2026-11-02
NVD 9.8

An arbitrary code execution vulnerability in Badaso CMS 2.9.11. The Media Manager allows authenticated users to upload files containing embedded PHP code via the file-upload endpoint, bypassing content-type validation. When such a file is accessed via its URL, the server executes the PHP payload, enabling an attacker to run arbitrary system commands and achieve full compromise of the underlying host. This has been demonstrated by embedding a backdoor within a PDF and renaming it with a .php extension.

Record
CVE-2025-52353
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02
OSV 9.8

An arbitrary code execution vulnerability in Badaso CMS 2.9.11. The Media Manager allows authenticated users to upload files containing embedded PHP code via the file-upload endpoint, bypassing content-type validation. When such a file is accessed via its URL, the server executes the PHP payload, enabling an attacker to run arbitrary system commands and achieve full compromise of the underlying host. This has been demonstrated by embedding a backdoor within a PDF and renaming it with a .php extension.

Record
CVE-2025-52353
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVGHSA-gqp9-jh35-439m 8.9

Badaso CMS file upload vulnerability

An arbitrary code execution vulnerability in Badaso CMS 2.9.11. The Media Manager allows authenticated users to upload files containing embedded PHP code via the file-upload endpoint, bypassing content-type validation. When such a file is accessed via its URL, the server executes the PHP payload, enabling an attacker to run arbitrary system commands and achieve full compromise of the underlying host. This has been demonstrated by embedding a backdoor within a PDF and renaming it with a .php extension.

Record
GHSA-gqp9-jh35-439m
CVSS 4.0
8.9 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Weakness
CWE-434
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
badaso/core
Packagist
through 2.9.11 None known
badaso/core
Packagist
through 2.9.11, plus listed versions
1.0.01.0.0-alpha.11.0.0-alpha.101.0.0-alpha.111.0.0-alpha.12
Show 45 moreShow less
1.0.0-alpha.131.0.0-alpha.141.0.0-alpha.151.0.0-alpha.161.0.0-alpha.171.0.0-alpha.181.0.0-alpha.191.0.0-alpha.21.0.0-alpha.201.0.0-alpha.211.0.0-alpha.221.0.0-alpha.231.0.0-alpha.241.0.0-alpha.251.0.0-alpha.261.0.0-alpha.271.0.0-alpha.281.0.0-alpha.291.0.0-alpha.31.0.0-alpha.301.0.0-alpha.311.0.0-alpha.321.0.0-alpha.331.0.0-alpha.341.0.0-alpha.351.0.0-alpha.361.0.0-alpha.371.0.0-alpha.381.0.0-alpha.391.0.0-alpha.41.0.0-alpha.401.0.0-alpha.51.0.0-alpha.61.0.0-alpha.71.0.0-alpha.81.0.0-alpha.91.0.0-rc1.0.0-rc.11.0.0-rc.101.0.0-rc.111.0.0-rc.121.0.0-rc.131.0.0-rc.141.0.0-rc.151.0.0-rc.2
None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-52353 is a critical vulnerability (CVSS 9.8) in Uatech Badaso, published August 26, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.65%, the 51st percentile. No source names a fixed version.

References

This page doesn't list everything

Left out here: 73 versions. The JSON record has them.

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