
Proof-of-concept for CVE-2026-27472 (blind SSRF) and CVE-2026-27474 (stored XSS) in SPIP 4.4.8 syndication feature, demonstrating exploitation steps for administrators.
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Log in as an administrator.
Make sure that in the Site content configuration, Sites referencing and syndication is on Manage website directory.
Navigate to a section and click Reference a site.
In the Syndication field, click Syndication and enter a target IP and port: .
tcp://127.0.0.1:22Save.
Compare the response time against a an open port (tcp://127.0.0.1:80). You can also click on Update now on the page of the syndicated site to trigger the SSRF.
In order to trigger an XSS, input javascript:alert(1) instead of the target IP and click on the RSS icon on the syndicated site page (?exec=site&id_syndic=1).