CVE-2023-4197 — Improper input validation in Dolibarr ERP CRM <= v18

Improper input validation in Dolibarr ERP CRM <= v18.0.1 fails to strip certain PHP code from user-supplied input when creating a Website, allowing an attacker to inject and evaluate arbitrary PHP code.

01What is this vulnerability?

Improper input validation in Dolibarr ERP CRM <= v18.0.1 fails to strip certain PHP code from user-supplied input when creating a Website, allowing an attacker to inject and evaluate arbitrary PHP code.

02Affected products

Vendor	Product	Versions
Dolibarr	Dolibarr ERP CRM	0

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: 2023-11-01T07:58:56.679Z
• Last modified: 2024-09-05T19:57:29.722Z

09References

• starlabs.sg — https://starlabs.sg/advisories/23/23-4197
• github.com — https://github.com/Dolibarr/dolibarr/commit/0ed6a63fb06be88be5a4f8bcdee83185eee4…