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CVE-2026-39527mediumCWE-434

WordPress WpStream plugin < 4.11.2 - Arbitrary File Upload vulnerability

13Vexday Risk Score

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

ssvc Trackcvss 5.4epss 0.3%
exploitation probability
0.3%top 78% of all CVEs
observed exploitation
nono source reports it
Subscriber Arbitrary File Upload in WpStream < 4.11.2 versions.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L