Arbitrary file upload in SEO(//Bing/) plugin for WordPress

1) Arbitrary file upload

EUVDB-ID: #VU110249

Risk: High

CVSSv4.0: 8.1 [CVSS: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:U/U:Amber]

CVE-ID: CVE-2025-3917

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in the download_remote_image_to_media_library function. A remote attacker can upload a malicious file and execute it on the server.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

BaiDu百度站长熊掌号SEO合集: 2.0.0 - 2.0.6

CPE2.3

• cpe:2.3:a:kelerkgibo:baiduseo:2.0.0:*:*:*:*:wordpress:*:*
• cpe:2.3:a:kelerkgibo:baiduseo:2.0.1:*:*:*:*:wordpress:*:*
• cpe:2.3:a:kelerkgibo:baiduseo:2.0.2:*:*:*:*:wordpress:*:*

External links

https://plugins.trac.wordpress.org/browser/baiduseo/tags/2.0.6/inc/index/youhua.php#L371
https://wordpress.org/plugins/baiduseo/
https://www.wordfence.com/threat-intel/vulnerabilities/id/70361501-8adc-499a-91d2-cf91fab5934a?source=cve

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.