CVE-2023-46735

Name: CVE-2023-46735
Creator: NVD / NIST
Published: 2023-11-10T18:15:09.657+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2023-46735 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Starting in version 6.0.0 and prior to version 6.3.8, the error message in `WebhookController` returns unescaped user-submitted input. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Starting in version 6.0.0 and prior to version 6.3.8, the error message in `WebhookController` returns unescaped user-submitted input. As of version 6.3.8, `WebhookController` now doesn't return any user-submitted input in its response.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.57%

42.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Sensiolabs	Symfony	>= 6.0.0, < 6.3.8

References

https://github.com/symfony/symfony/commit/8128c302430394f639e818a7103b3f6815d8d962Patch
https://github.com/symfony/symfony/security/advisories/GHSA-72x2-5c85-6wmrPatch, Vendor Advisory
https://github.com/symfony/symfony/commit/8128c302430394f639e818a7103b3f6815d8d962Patch
https://github.com/symfony/symfony/security/advisories/GHSA-72x2-5c85-6wmrPatch, Vendor Advisory

Timeline

Published: Nov 10, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-46735?

How severe is CVE-2023-46735?

CVE-2023-46735 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2023-46735?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-46735?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST