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CVE-2026-66596highCWE-79

WordPress Newsletter plugin <= 9.3.3 - Cross Site Scripting (XSS) vulnerability

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.1epss 0.1%
exploitation probability
0.1%top 96% of all CVEs
observed exploitation
nono source reports it
Unauthenticated Cross Site Scripting (XSS) in Newsletter <= 9.3.3 versions.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L