# CVE-2026-27473: spip: SPIP before 4.4.9 allows Stored Cross-Site Scripting (XSS) via syndicated sites in the private area

CVE-2026-27473 is fixed in spip on 1 platform, first by DEBIAN-CVE-2026-27473, released February 19, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-27473
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0030
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 19, 2026

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | spip Debian 13.5 (trixie) | 4.4.11+dfsg-0+deb13u1 | [DEBIAN-CVE-2026-27473](https://patchblox.com/security/data/fix/linux/debian-cve-2026-27473.md) | Feb 19, 2026 |
| Linux | spip Debian 14 | 4.4.9+dfsg-1 | [DEBIAN-CVE-2026-27473](https://patchblox.com/security/data/fix/linux/debian-cve-2026-27473.md) | Feb 19, 2026 |

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Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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