CVE-2023-5256

Drupal core - Critical - Cache poisoning - SA-CORE-2023-006

Description

In certain scenarios, Drupal's JSON:API module will output error backtraces. With some configurations, this may cause sensitive information to be cached and made available to anonymous users, leading to privilege escalation. This vulnerability only affects sites with the JSON:API module enabled, and can be mitigated by uninstalling JSON:API. The core REST and contributed GraphQL modules are not affected.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 1.62% Top 20%
Vendor Advisory drupal.org
Affected: Drupal Core
Published at:
Updated at:

References

Link Tags
https://www.drupal.org/sa-core-2023-006 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-5256?
CVE-2023-5256 has been scored as a high severity vulnerability.
How to fix CVE-2023-5256?
To fix CVE-2023-5256, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-5256 being actively exploited in the wild?
It is possible that CVE-2023-5256 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-5256?
CVE-2023-5256 affects Drupal Core.
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