What is CVE-2023-3388?

CVE-2023-3388 is a high-severity vulnerability in Beautiful-Cookie-Banner Beautiful Cookie Consent Banner, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2023-06-24.

How severe is CVE-2023-3388?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2023-3388 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Beautiful-Cookie-Banner Beautiful Cookie Consent Banner

CVE-2023-3388

The Beautiful Cookie Consent Banner for WordPress is vulnerable to Stored Cross-Site Scripting via the 'nsc_bar_content_href' parameter in versions up to, and including, 2.10.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. A partial patch was made available in 2.10.1 and the issue was fully patched in 2.10.2.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.845 (99.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Patch)
security@wordfence.com (Third Party Advisory)

Frequently asked questions

What is CVE-2023-3388?: CVE-2023-3388 is a high-severity vulnerability in Beautiful-Cookie-Banner Beautiful Cookie Consent Banner, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2023-06-24.
How severe is CVE-2023-3388?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2023-3388 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.