HOMEVULNERABILITIESCVE-2020-36750
MEDIUM

CVE-2020-36750

CWE-352Published: July 12, 2023· Updated: Jun 17, 2026

4.3
CVSS v3.1

Official Description

The EWWW Image Optimizer plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 5.8.1. This is due to missing or incorrect nonce validation on the ewww_ngg_bulk_init() function. This makes it possible for unauthenticated attackers to perform bulk image optimization via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

NVD Source

Technical Analysis

CVE-2020-36750 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Affected Vendors & Products

ewww1 product(s)
image optimizer
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://plugins.trac.wordpress.org/changeset/2417429/ewww-image-optimizer/trunk/classes/class-ewww-nextgen.php
PATCHhttps://plugins.trac.wordpress.org/changeset/2417429/ewww-image-optimizer/trunk/classes/class-ewww-nextgen.php
ADVISORYhttps://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/
ADVISORYhttps://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/
ADVISORYhttps://www.wordfence.com/threat-intel/vulnerabilities/id/8ef33e3c-187a-45d9-9dac-0895dce34216?source=cve
ADVISORYhttps://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/
ADVISORYhttps://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/
ADVISORYhttps://www.wordfence.com/threat-intel/vulnerabilities/id/8ef33e3c-187a-45d9-9dac-0895dce34216?source=cve

All References (18)

→
https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/Third Party Advisory
→
https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/Third Party Advisory
→
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/Not Applicable
→
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/Not Applicable
→
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/Not Applicable
→
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/Not Applicable
→
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/Not Applicable
→
https://plugins.trac.wordpress.org/changeset/2417429/ewww-image-optimizer/trunk/classes/class-ewww-nextgen.phpPatch
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/8ef33e3c-187a-45d9-9dac-0895dce34216?source=cveThird Party Advisory
→
https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/Third Party Advisory
→
https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/Third Party Advisory
→
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/Not Applicable
→
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/Not Applicable
→
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/Not Applicable
→
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/Not Applicable

Quick Facts

CVE IDCVE-2020-36750
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-352
CISA KEVNo
Affected1 vendor(s)
PublishedJul 12, 2023

Related CVEs (CWE-352)

CVE-2017-5145
10.0
CVE-2025-32642
10.0
CVE-2025-23922
10.0
CVE-2019-14551
9.8
CVE-2022-44739
9.8
CVE-2017-6080
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-36750 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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