What is CVE-2020-8426?

CVE-2020-8426 is a medium-severity vulnerability in Elementor Website Builder, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-01-28.

How severe is CVE-2020-8426?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2020-8426 known to be exploited?

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

XSS in Elementor Website Builder

CVE-2020-8426

The Elementor plugin before 2.8.5 for WordPress suffers from a reflected XSS vulnerability on the elementor-system-info page. These can be exploited by targeting an authenticated user.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-01-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.013 (69.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Elementor Website Builder

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

wordpress.org/plugins/elementor/ (Release Notes, Vendor Advisory)
blog.impenetrable.tech/xss-in-wordpress-elementor-plugin (Exploit, Third Party Advisory)
wpvulndb.com/vulnerabilities/10051 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-8426?: CVE-2020-8426 is a medium-severity vulnerability in Elementor Website Builder, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-01-28.
How severe is CVE-2020-8426?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2020-8426 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.