PatchTheCVECVE-2020-36705: The Adning Advertising plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type v
CVE-2020-36705 is a critical-severity flaw (CVSS 9.8) affecting adning advertising. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 this priority
- Critical severity
- EPSS top 6%: very likely to be exploited
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 6.9% (top 6%) |
| CISA exploited list | No |
| Weakness | CWE-434 |
| Published | 2023-06-07 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Nuclei scan template: Adning Advertising <= 1.5.5 - Arbitrary File Upload
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-36705?
adning advertising: upgrade to 1.5.6. Exact commands for each OS are on this page.
Is CVE-2020-36705 being exploited?
CVE-2020-36705 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-36705 affect?
CVE-2020-36705 affects adning advertising. Severity is critical (CVSS 9.8). 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 a
How urgent is CVE-2020-36705?
Priority 68/100. Critical severity; EPSS top 6%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action
Software pages
Related CVEs
- CVE-2020-36728 MEDIUM 6.5 UPGRADE The Adning Advertising plugin for WordPress is vulnerable to file deletion via path traversal in versions up t