Information disclosure in Drupal Core
CVE-2023-5256
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 vulnerab…
Vulnerability class: Information Disclosure
EPSS: 0.007 (48.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Drupal Core — versions 10.1, 10.0, 9.5
- Drupal
Weakness classification (CWE)
Public proof-of-concept exploits
References
- mlhess@drupal.org (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-5256?
- CVE-2023-5256 is a high-severity vulnerability in Drupal Core, classified under Information Disclosure. CVSS score: 7.5/10. Published 2023-09-28.
- How severe is CVE-2023-5256?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-5256 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.