What is CVE-2020-36709?

CVE-2020-36709 is a medium-severity vulnerability in King-Theme Page Builder Kingcomposer, classified under Cross-site Scripting. CVSS score: 5.5/10. Published 2023-06-07.

How severe is CVE-2020-36709?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2020-36709 known to be exploited?

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

XSS in King-Theme Page Builder Kingcomposer

CVE-2020-36709

The Page Builder: KingComposer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via via shortcode in versions before 2.9.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (47.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/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

20142995/nuclei-templates

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Exploit)
security@wordfence.com (Release Notes)

Frequently asked questions

What is CVE-2020-36709?: CVE-2020-36709 is a medium-severity vulnerability in King-Theme Page Builder Kingcomposer, classified under Cross-site Scripting. CVSS score: 5.5/10. Published 2023-06-07.
How severe is CVE-2020-36709?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2020-36709 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.