What is CVE-2023-6527?

CVE-2023-6527 is a medium-severity vulnerability in I13websolution Email_subscription_popup, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-12-06.

How severe is CVE-2023-6527?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2023-6527 known to be exploited?

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

XSS in I13websolution Email_subscription_popup

CVE-2023-6527

The Email Subscription Popup plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the HTTP_REFERER header in all versions up to, and including, 1.2.18 due to insufficient input sanitization and output escaping. This mak…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (29.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

I13websolution Email_subscription_popup
Nik00726 Email Subscription Popup — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

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

Frequently asked questions

What is CVE-2023-6527?: CVE-2023-6527 is a medium-severity vulnerability in I13websolution Email_subscription_popup, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-12-06.
How severe is CVE-2023-6527?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-6527 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.