Vulnerability Details : CVE-2021-4407
The Custom Banners plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.2.2 This is due to missing or incorrect nonce validation on the saveCustomFields() function. This makes it possible for unauthenticated attackers to save custom fields via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Vulnerability category: Cross-site request forgery (CSRF)
Products affected by CVE-2021-4407
- cpe:2.3:a:goldplugins:custom_banners:*:*:*:*:*:wordpress:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-4407
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-4407
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
Wordfence |
CWE ids for CVE-2021-4407
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The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.Assigned by: security@wordfence.com (Primary)
References for CVE-2021-4407
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https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/
Multiple WordPress plugins fixed CSRF vulnerabilities (part 3). – NinTechNetNot Applicable
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https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/
Multiple WordPress plugins fixed CSRF vulnerabilities (part 5). – NinTechNetNot Applicable
-
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/
Multiple WordPress plugins fixed CSRF vulnerabilities (part 2). – NinTechNetNot Applicable
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https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/
25 WordPress plugins vulnerable to CSRF attacks. – NinTechNetThird Party Advisory
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https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/
Multiple WordPress plugins fixed CSRF vulnerabilities (part 4). – NinTechNetNot Applicable
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https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2473385%40custom-banners&new=2473385%40custom-banners&sfp_email=&sfph_mail=
Changeset 2473385 for custom-banners – WordPress Plugin RepositoryPatch
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https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/
More WordPress plugins and themes vulnerable to CSRF attacks. – NinTechNetNot Applicable
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https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/
Multiple WordPress plugins fixed CSRF vulnerabilities (part 1). – NinTechNetThird Party Advisory
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https://www.wordfence.com/threat-intel/vulnerabilities/id/8f4c086d-8209-4212-9d91-67238c1a9143?source=cve
502 Bad GatewayThird Party Advisory
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