CVE-2021-24446Public exploitNetwork attack vector

Stored XSS via unprotected settings update

Published Feb 14, 2022 · Updated Aug 3, 2024

Cross-site request forgery in WPChill Remove Footer Credit before 1.0.6 allows remote attackers to store script-bearing footer settings. The settings form at wp-admin/tools.php?page=remove-footer-credit accepts attacker-chosen find and replace POST values without a CSRF token or sanitization. A logged-in administrator must submit the crafted form; the stored replacement executes in visitors' browsers when the affected footer renders.

CVSS severity5.4
Medium
EPSS probability0.33%
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 WPChill Remove Footer Credit before 1.0.6 allows remote attackers to store script-bearing footer settings. The settings form at wp-admin/tools.php?page=remove-footer-credit accepts attacker-chosen find and replace POST values without a CSRF token or sanitization. A logged-in administrator must submit the crafted form; the stored replacement executes in visitors' browsers when the affected footer renders.

The record

CVE
CVE-2021-24446
Published
Feb 14, 2022
Updated
Aug 3, 2024
Vendor
WPChill
Product
Remove Footer Credit
Classifications
CWE-352, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 14, 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=1.0.6 <1.0.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

WPChill · Remove Footer Creditversion=1.0.6 <1.0.6

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
6.0NIST NVDAV:N/AC:M/Au:S/C:P/I:P/A:P

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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)
T1189Drive-by Compromise

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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