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Fencer Intel
medium 6.5

CVE-2020-36728 json

Adning Advertising <= 1.5.5 - Unauthenticated Arbitrary File Deletion via Path Traversal

published 3y ago modified 4mo ago also EUVD-2020-24170

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known, plus a Nuclei check

Summary

The Adning Advertising plugin for WordPress is vulnerable to file deletion via path traversal in versions up to, and including, 1.5.5. This allows unauthenticated attackers to delete arbitrary files which can be used to reset and gain full control of a site.

Patch / fix

  • tunasite adning_advertising 1.5.6

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
last yr.

Exploit prediction

3.13% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • Nuclei template WordPress Plugin Adning Advertising < 1.5.6 - Arbitrary File Upload nuclei detection template
  • wordfence.com https://www.wordfence.com/blog/2020/07/critical-vulnerabilities-patched-in-adning-advertising-plugin/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • tunafish Adning Advertising

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.