CVE-2026-27473

Medium

Description

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.

SeverityMedium
CVSS6.4
Exploit probability23. percentile0.3%
ProductSpip
PublishedFeb 19, 2026
First seenFeb 19, 2026

How to fix

Affected products

ProductAffected versionsFixed in
spip spip4.4.0 ≤ v < 4.4.94.4.9

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.