CVE-2021-37598
WP Cerber before 8.9.3 allows bypass of /wp-json access control via a trailing ? character.
WP Cerber before 8.9.3 allows bypass of /wp-json access control via a trailing ? character.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
WP Cerber before 8.9.3 allows bypass of /wp-json access control via a trailing ? character.
- Record
CVE-2021-37598- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-863
- Updated
- 2026-11-02
CVE List No score
WP Cerber before 8.9.3 allows bypass of /wp-json access control via a trailing ? character.
- Record
CVE-2021-37598- Updated
- 2026-11-02
EUVDEUVD-2021-24156 No score
WP Cerber before 8.9.3 allows bypass of /wp-json access control via a trailing ? character.
- Record
EUVD-2021-24156- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7fw3-2wmp-j43f No score
WP Cerber before 8.9.3 allows bypass of /wp-json access control via a trailing ? character.
WP Cerber before 8.9.3 allows bypass of /wp-json access control via a trailing ? character.
- Record
GHSA-7fw3-2wmp-j43f- Weakness
- CWE-863
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | WP Cerber < 8.9.3 - Broken Access Control |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, Nuclei, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-37598 is a medium vulnerability (CVSS 5.3) in Wpcerber Wp Cerber, published August 19, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.35%, the 83rd percentile. No source names a fixed version.