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

high Affects wp-code-highlightjs (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

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

Package
wp-code-highlightjs (WordPress plugin) WordPress
Affected versions
<=0.6.2
Fixed in
no fix recorded
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 1% (71.3th percentile)
Published
2019-07-20
Source
nvd

References

CWE-352CWE-79
NVD recordwp-code-highlightjs (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs   How findings are ranked

Related advisories