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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.843 (99.7th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.843 · newest: 0.843 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/542a4079-b1a2-49bc-9ddd-ba797… (Third Party Advisory)
- plugins.trac.wordpress.org/changeset (Patch)
- www.wordfence.com/blog/2023/05/wordfence-firewall-blocks-bizarre-large-scale-xs… (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.