WordPress Plugin Vulnerabilities
Smart Popup by Supsystic < 2.0.2 - Unauthenticated SSRF via MailChimp Groups Lookup
Description
The plugin does not restrict access to its MailChimp interest-group lookup or validate the API key supplied to it, allowing unauthenticated users to make the server open connections to arbitrary internal hosts and ports and infer from response timing which ones are reachable.
Proof of Concept
Affects Plugins
References
CVE
Classification
Type
SSRF
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Karthik Ramakrishnan
Submitter
Karthik Ramakrishnan
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2026-10-26 (about 2 days ago)
Added
2026-10-26 (about 1 day ago)
Last Updated
2026-10-26 (about 1 day ago)