What’s Vulnerable › Vulnerabilities

CVE-2021-24485: Special Text Boxes < 5.9.110 - Admin+ Stored Cross-Site Scripting

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-10-25 · updated 2026-06-17
• Weakness: CWE-79

Description

The Special Text Boxes WordPress plugin before 5.9.110 does not sanitise or escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed.

Affected products

• Special Text Boxes: before 5.9.110 — fixed in 5.9.110

How to fix

Upgrade to a fixed version: Special Text Boxes 5.9.110. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/4a6b278a-4c11-4624-86bf-754212979643
• https://wpscan.com/vulnerability/4a6b278a-4c11-4624-86bf-754212979643

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