PT-2025-20163 · Unknown · Themefic Instantio

Ryan Kozak · Published 2025-05-07 · Updated 2025-05-09 · CVE-2025-47550

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Themefic Instantio versions n/a through 3.3.16

Description The issue allows for the unrestricted upload of files with dangerous types, enabling an attacker to upload a web shell to a web server. This can lead to further exploitation and potential control of the server.

Recommendations For versions n/a through 3.3.16, consider restricting or disabling file upload functionality until a patch is available. As a temporary workaround, restrict access to sensitive areas of the web server to minimize the risk of exploitation.

Exploit

Fix

Unrestricted File Upload

Weakness Enumeration

CWE-434

Related Identifiers

CVE-2025-47550

Affected Products

Themefic Instantio

References · 8

• 🔥 https://github.com/d0n601/CVE-2025-47550 · Exploit
• 🔥 https://ryankozak.com/posts/cve-2025-47550 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-47550 · Security Note
• https://osv.dev/vulnerability/CVE-2025-47550 · Vendor Advisory
• https://t.me/cvenotify/121541 · Telegram Post
• https://twitter.com/CVEnew/status/1920130552230977934 · Twitter Post
• https://patchstack.com/database/Wordpress/Plugin/instantio/vulnerability/wordpress-instantio-3-3-16-arbitrary-file-upload-vulnerability?_s_id=cve · Note
• https://patchstack.com/database/wordpress/plugin/instantio/vulnerability/wordpress-instantio-3-3-16-arbitrary-file-upload-vulnerability?_s_id=cve · Note