CVE-2023-52322 — ecrire/public/assembler

ecrire/public/assembler.php in SPIP before 4.1.13 and 4.2.x before 4.2.7 allows XSS because input from _request() is not restricted to safe characters such as alphanumerics.

01What is this vulnerability?

ecrire/public/assembler.php in SPIP before 4.1.13 and 4.2.x before 4.2.7 allows XSS because input from _request() is not restricted to safe characters such as alphanumerics.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-01-04T00:00:00.000Z
• Last modified: 2025-06-03T14:42:57.615Z

09References

• git.spip.net — https://git.spip.net/spip/spip/commit/e90f5344b8c82711053053e778d38a35e42b7bcb
• blog.spip.net — https://blog.spip.net/Mise-a-jour-de-maintenance-et-securite-sortie-de-SPIP-4-2-…
• lists.debian.org — https://lists.debian.org/debian-lts-announce/2024/03/msg00014.html