CVE-2026-27473

6.4 MEDIUM
Published: February 19, 2026 Modified: February 24, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-9.html
Source: disclosure@vulncheck.com
Vendor Advisory Release Notes
https://git.spip.net/spip/spip
Source: disclosure@vulncheck.com
Product

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.4 / 10.0
EPSS (Exploit Probability)
0.0%
9th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

spip