SPIP < 4.4.9 Stored Cross-Site Scripting via Syndicated Site… (CVE-2026-27473)

Summary

SPIP < 4.4.9 Stored Cross-Site Scripting via Syndicated Sites

Original description

The description as published by the source.

SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area. The #URL_SYNDIC output is not properly sanitized on the private syndicated site page, allowing an attacker who can set a malicious syndication URL to inject persistent scripts that execute when other administrators view the syndicated site details.

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

Fix status by distribution

Fixed packages published by each distribution for this CVE

Debian DEBIAN-CVE-2026-27473 spip
Ubuntu UBUNTU-CVE-2026-27473 spip

References

advisory github.com
advisory nvd.nist.gov
advisory vulncheck.com
patch blog.spip.net
web git.spip.net