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ExploitedNot in CISA KEV yetFix available

CVE-2020-36728

Exploitation confirmed. First attested on 2025-11-18 by GCVE · kevintel, GCVE · shadowserver.

  • Published2023-06-07
  • Fixed in1.5.6
  • WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2023-06-0713:15CVE publishedNVD
  2. 2025-11-1808:10Listed as exploited by GCVEGCVE
  3. 2025-11-1808:10Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-03 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-36728?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-36728?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Tunasite adning advertising
BranchAffectedFixed in
1.5< 1.5.61.5.6

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As Wordfence, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • tunafish Adning Advertisingother versions: not affected
    Affected
    • ≤ 1.5.5no fix statedsemver

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-04-08

Fix

  1. Update Tunasite adning advertising to 1.5.6

Detection

read 2026-11-02 22:42 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2023-06-07
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-52gj-66p3-r6v6

Frequently asked questions

What is CVE-2020-36728?

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.

Is CVE-2020-36728 actively exploited?

Active exploitation of CVE-2020-36728 has not been confirmed. Its EPSS score was 3.1% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-36728?

CVE-2020-36728 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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Sources for this record