XSS in Wordpress

CVE-2018-5776

WordPress before 4.9.2 has XSS in the Flash fallback files in MediaElement (under wp-includes/js/mediaelement).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.024 (82.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-5776?
CVE-2018-5776 is a medium-severity vulnerability in Wordpress, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-01-18.
How severe is CVE-2018-5776?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2018-5776 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.