CVE-2020-36758Network attack vector

Post metadata modification via missing nonce validation

Published Oct 20, 2023 · Updated Apr 8, 2026

Cross-site request forgery in Feedzy RSS Feeds 3.4.2 and earlier allows remote attackers to modify post metadata through an administrator's browser. The save_feedzy_post_type_meta() function accepts forged request data and updates post metadata without validating a WordPress nonce. Exploitation requires an administrator to submit the crafted request, and its documented consequence is unauthorized post-metadata modification.

CVSS severity4.3
Medium
EPSS probability0.39%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in Feedzy RSS Feeds 3.4.2 and earlier allows remote attackers to modify post metadata through an administrator's browser. The save_feedzy_post_type_meta() function accepts forged request data and updates post metadata without validating a WordPress nonce. Exploitation requires an administrator to submit the crafted request, and its documented consequence is unauthorized post-metadata modification.

The record

CVE
CVE-2020-36758
Published
Oct 20, 2023
Updated
Apr 8, 2026
Vendor
Query Solutions Ltd.
Product
Feedzy RSS Feeds
Classifications
CWE-352, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 20, 2023CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <3.4.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Query Solutions Ltd. · Feedzy RSS Feedsversion=0 <3.4.3

Published CVSS scores

4.3WordfenceCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
T1204.001User Execution: Malicious Link

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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