Medium severity5.4NVD Advisory· Published Sep 6, 2021· Updated Jun 17, 2026

CVE-2021-24591

Description

The Highlight WordPress plugin before 0.9.3 does not sanitise its CustomCSS setting, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

WordPress/Highlightdescription
WordPress/Highlightllm-fuzzy
Range: <0.9.3
Package: https://wordpress.org/plugins/highlight

Patches

Vulnerability mechanics

References

wpscan.com/vulnerability/c5cbe3b4-2829-4fd2-8194-4b3a2ae0e257nvdExploitThird Party Advisory

News mentions

No linked articles in our index yet.

cvss	0.351
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000