CVE-2021-24803Public exploitNetwork attack vector

Site takeover via unprotected settings update

Published Feb 28, 2022 · Updated Aug 3, 2024

Cross-site request forgery in Core Tweaks WP Setup 4.1 and earlier allows remote attackers to take over WordPress sites. The settings page accepts a changecore POST without a CSRF token, allowing admin_email replacement or creation of an administrator account. An authenticated administrator must visit attacker-controlled content; the forged request then runs with that administrator's session.

CVSS severity8.8
High
EPSS probability0.63%
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 Core Tweaks WP Setup 4.1 and earlier allows remote attackers to take over WordPress sites. The settings page accepts a changecore POST without a CSRF token, allowing admin_email replacement or creation of an administrator account. An authenticated administrator must visit attacker-controlled content; the forged request then runs with that administrator's session.

The record

CVE
CVE-2021-24803
Published
Feb 28, 2022
Updated
Aug 3, 2024
Vendor
Scott Hendison
Product
Core Tweaks WP Setup
Classifications
CWE-352, T1204
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 28, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record 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=4.1 <=4.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Scott Hendison · Core Tweaks WP Setupversion=4.1 <=4.1

Published CVSS scores

6.8NIST NVDAV:N/AC:M/Au:N/C:P/I:P/A:P
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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 exploitPublished

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
T1204User Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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