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Vulnerability record · CVE-2020-36705 · published 7 June 2023

CVE-2020-36705: Tunasite adning advertising unrestricted file upload vulnerability

Tunasite · Adning Advertising

The Adning Advertising plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the _ning_upload_image function in versions up to, and including, 1.5.5. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.

9.8 CVSS 3.1 Critical EPSS 6.9% · top 6.2% CWE-434 · Unrestricted file upload
9.8CVSS 3.1 base score
6.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The Adning Advertising plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the _ning_upload_image function in versions up to, and including, 1.5.5. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://blog.nintechnet.com/critical-vulnerability-in-adning-advertising-plugin-actively-exploited-in-the-wild/ Third Party Advisory
https://codecanyon.net/item/wp-pro-advertising-system-all-in-one-ad-manager/269693 Product
https://wpscan.com/vulnerability/e9873fe3-fc06-4a52-aa32-6922cab7830c Third Party Advisory
https://www.wordfence.com/blog/2020/07/critical-vulnerabilities-patched-in-adning-advertising-plugin/ ExploitThird Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/4a263b74-e9ae-4fd2-be9b-9b8e9eee5982?source=cve Third Party Advisory
https://blog.nintechnet.com/critical-vulnerability-in-adning-advertising-plugin-actively-exploited-in-the-wild/ Third Party Advisory
https://codecanyon.net/item/wp-pro-advertising-system-all-in-one-ad-manager/269693 Product
https://wpscan.com/vulnerability/e9873fe3-fc06-4a52-aa32-6922cab7830c Third Party Advisory
https://www.wordfence.com/blog/2020/07/critical-vulnerabilities-patched-in-adning-advertising-plugin/ ExploitThird Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/4a263b74-e9ae-4fd2-be9b-9b8e9eee5982?source=cve Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-36728Tunasite adning advertising path traversal vulnerabilityThe Adning Advertising plugin for WordPress is vulnerable to file deletion via path traversal in versions up to, and including, 1.5.5. This allows un…EPSS 3.1%10.0CVE-2026-56291Balbooa Forms Joomla extension unauthenticated arbitrary file upload RCEThe Balbooa Forms extension for Joomla before version 2.4.1 accepts file uploads without authentication and does not restrict file type, allowing exe…KEVEPSS 15%analysed10.0CVE-2026-48939iCagenda Joomla extension unrestricted file upload leads to PHP RCEThe iCagenda extension for Joomla fails to restrict file types in its file attachment feature, allowing arbitrary file uploads that result in PHP cod…KEVEPSS 20%analysed10.0CVE-2026-56290Joomla Page Builder CK unauthenticated file upload leads to RCEThe Joomla Page Builder CK extension before 3.6.0 allows unauthenticated arbitrary file uploads, letting an attacker place executable files on the se…KEVEPSS 31%analysed10.0CVE-2026-48908SP Page Builder for Joomla unauthenticated arbitrary file upload RCESP Page Builder for Joomla permits unauthenticated users to upload arbitrary files, which can lead to upload and execution of PHP code. The flaw is a…KEVEPSS 89%analysed9.8CVE-2024-7399Samsung MagicINFO 9 Server path traversal allows arbitrary file writeSamsung MagicINFO 9 Server before version 21.1050 contains a path traversal flaw (CWE-22) that also enables unrestricted file upload (CWE-434), letti…KEVEPSS 92%analysed7.2CVE-2025-2749Kentico Xperience path traversal and file upload lead to RCEKentico Xperience through 13.0.178 allows an authenticated Staging Sync Server user to upload arbitrary data to relative paths, enabling path travers…KEVEPSS 4.1%analysed7.2CVE-2024-7694ThreatSonar Anti-Ransomware unrestricted file upload enables command executionThreatSonar Anti-Ransomware from TeamT5 fails to properly validate the content of uploaded files (CWE-434). An attacker holding administrator privile…KEVEPSS 1.8%analysed

Source: NIST National Vulnerability Database (record CVE-2020-36705), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.