The Live Composer WordPress plugin before 2.1.24 does not sanitise and escape some of its page-builder module settings before outputting them, allowing users with access to the builder (Administrator by default) to inject arbitrary JavaScript that executes when the affected page is viewed by any visitor; this has impact even on administrators where the unfiltered_html capability is disallowed, e.g. in multisite setups.
Severity
CVSS 3.1
3.5 low
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
EPSS
0.2% estimated probability of exploitation activity in the next 30 days; 14th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CISA's assessment (SSVC)
Exploitation: none · Automatable: no · Technical impact: partial, assessed 2026-11-11. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
CWE
CWE-79Improper Neutralization of Input During Web Page Generation (Cross-site Scripting)
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