What’s Vulnerable › Vulnerabilities

CVE-2024-4943: Blocksy <= 2.0.46 - Authenticated (Contributor+) Stored Cross-Site Scripting

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-21 · updated 2026-06-17
• Weakness: CWE-79

Description

The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘has_field_link_rel’ parameter in all versions up to, and including, 2.0.46 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• creativethemeshq Blocksy: before 2.0.47 — fixed in 2.0.47

How to fix

Upgrade to a fixed version: creativethemeshq Blocksy 2.0.47. Check the vendor advisory for mitigations.

References

• https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=227333%40blocksy%2F2.0.47&old=227242%40blocksy%2F2.0.46
• https://www.wordfence.com/threat-intel/vulnerabilities/id/dc7099d7-94fd-42be-a921-bfcad43ae252?source=cve
• https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=227333%40blocksy%2F2.0.47&old=227242%40blocksy%2F2.0.46
• https://www.wordfence.com/threat-intel/vulnerabilities/id/dc7099d7-94fd-42be-a921-bfcad43ae252?source=cve

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