CVE-2021-39202

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Summary

CVECVE-2021-39202
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-09-09 22:15:00 UTC
Updated2021-09-24 13:53:00 UTC
DescriptionWordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions the widgets editor introduced in WordPress 5.8 beta 1 has improper handling of HTML input in the Custom HTML feature. This leads to stored XSS in the custom HTML widget. This has been patched in WordPress 5.8. It was only present during the testing/beta phase of WordPress 5.8.

Risk And Classification

Problem Types: CWE-79

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Wordpress Wordpress 5.8 beta1 All All
Application Wordpress Wordpress 5.8 beta2 All All

References

ReferenceSourceLinkTags
WordPress 5.8 beta: Stored Cross-Site Scripting (XSS) vulnerability in widget editor · Advisory · WordPress/wordpress-develop · GitHub CONFIRM github.com
HackerOne MISC hackerone.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 150433 WordPress Stored Cross Site Scripting Vulnerability (CVE-2021-39202)
  • 154104 WordPress Stored Cross Site Scripting Vulnerability (CVE-2021-39202)
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