CVE-2024-3747

Summary

The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the className parameter in the About Me block in all versions up to, and including, 2.0.39 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected Software

Weaknesses

• CWE-20: CWE-20 Improper Input Validation

ADP Enrichment

CVE Program Container

Additional References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/e3f71928-3f1d-4c15-8655-41cdfb707370?source=cve
• https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=224954%40blocksy%2F2.0.40&old=224210%40blocksy%2F2.0.39

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/e3f71928-3f1d-4c15-8655-41cdfb707370?source=cve
• https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=224954%40blocksy%2F2.0.40&old=224210%40blocksy%2F2.0.39

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