What is CVE-2023-5063?

CVE-2023-5063 is a medium-severity vulnerability in Stefanoai Widget Responsive For Youtube, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2023-09-20.

How severe is CVE-2023-5063?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Is CVE-2023-5063 known to be exploited?

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

XSS in Stefanoai Widget Responsive For Youtube

CVE-2023-5063

The Widget Responsive for Youtube plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'youtube' shortcode in versions up to, and including, 1.6.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (35.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Stefanoai Widget Responsive For Youtube — versions 0
Stefanoai Widget_responsive_for_youtube

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

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

Frequently asked questions

What is CVE-2023-5063?: CVE-2023-5063 is a medium-severity vulnerability in Stefanoai Widget Responsive For Youtube, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2023-09-20.
How severe is CVE-2023-5063?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2023-5063 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.