What’s Vulnerable › Vulnerabilities

CVE-2021-24653: Cookie Bar < 1.8.9 - 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 Cookie Bar WordPress plugin before 1.8.9 doesn't properly sanitise the Cookie Bar Message setting, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Affected products

• Cookie Bar: before 1.8.9 — fixed in 1.8.9

How to fix

Upgrade to a fixed version: Cookie Bar 1.8.9. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/bfa8f46f-d323-4a2d-b875-39cd9b4cee0a
• https://wpscan.com/vulnerability/bfa8f46f-d323-4a2d-b875-39cd9b4cee0a

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