XSS in Wp-Code-Highlightjs Project

CVE-2019-12934

An issue was discovered in the wp-code-highlightjs plugin through 0.6.2 for WordPress. wp-admin/options-general.php?page=wp-code-highlight-js allows CSRF, as demonstrated by an XSS payload in the hljs_additional_css parameter.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.013 (69.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-12934?
CVE-2019-12934 is a high-severity vulnerability in Wp-Code-Highlightjs Project, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2019-07-20.
How severe is CVE-2019-12934?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2019-12934 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.