TI-2020-18876 Aliases CVE-2020-36705 GHSA-mjvv-fcgj-hpr2

Adning Advertising <= 1.5.5 - Arbitrary File Upload

MEDIUM 59CWE-434Published 2023-06-07 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.06888 94th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
tunafish	Adning Advertising	up to 1.5.5	—	No fix listed	CNA

Adning Advertising Vendortunafish Affected up to 1.5.5 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:tunasite:adning_advertising::::::wordpress::*	before 1.5.6	Vulnerable	Tunasite

cpe:2.3:a:tunasite:adning_advertising:*:*:*:*:*:wordpress:*:* Versions before 1.5.6 Vulnerable ·Tunasite

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-36705
2026-10-03 Alias added: GHSA-mjvv-fcgj-hpr2

References

Exploit 1

https://www.wordfence.com/blog/2020/07/critical-vulnerabilities-patched-in-adning-advertising-plugin/

Advisory 3

Other 1

https://codecanyon.net/item/wp-pro-advertising-system-all-in-one-ad-manager/269693

TI-2020-18899 Adning Advertising <= 1.5.5 - Unauthenticated Arbitrary File Deletion via Path Traversal CVSS 3.1CRITICAL 9.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences