CVE-2023-41336 — ux-autocomplete is a JavaScript Autocomplete functionality for Symfony

ux-autocomplete is a JavaScript Autocomplete functionality for Symfony. Under certain circumstances, an attacker could successfully submit an entity id for an `EntityType` that is *not* part of the valid choices. The problem has been fixed in `symfony/ux-autocomplete` version 2.1

01What is this vulnerability?

ux-autocomplete is a JavaScript Autocomplete functionality for Symfony. Under certain circumstances, an attacker could successfully submit an entity id for an `EntityType` that is *not* part of the valid choices. The problem has been fixed in `symfony/ux-autocomplete` version 2.11.2.

02Affected products

Vendor	Product	Versions
symfony	ux	autocomplete — < 2.11.2

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

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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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: 2023-09-11T19:21:48.938Z
• Last modified: 2024-09-26T15:37:18.042Z

09References

• github.com — https://github.com/symfony/ux-autocomplete/security/advisories/GHSA-4cpv-669c-r7…
• github.com — https://github.com/symfony/ux-autocomplete/commit/fabcb2eee14b9e84a45b276711853a…
• github.com — https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/ux-autoc…
• symfony.com — https://symfony.com/bundles/ux-autocomplete/current/index.html#usage-in-a-form-w…