# CVE-2023-5561: wordpress: WordPress does not properly restrict which user fields are searchable via the REST API, allowing unauthenticated atta...

CVE-2023-5561 is fixed in wordpress on 1 platform, first by DEBIAN-CVE-2023-5561, released October 16, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-5561
- Priority: Routine
- CVSS: 5.3 (medium)
- EPSS: 0.0434
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 16, 2023

## Description

WordPress does not properly restrict which user fields are searchable via the REST API, allowing unauthenticated attackers to discern the email addresses of users who have published public posts on an affected website via an Oracle style attack

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | wordpress Debian 12.15 (bookworm) | 6.1.6+dfsg1-0+deb12u1 | [DEBIAN-CVE-2023-5561](https://patchblox.com/security/data/fix/linux/debian-cve-2023-5561.md) | Oct 16, 2023 |
| Linux | wordpress Debian 13.5 (trixie) | 6.3.2+dfsg1-1 | [DEBIAN-CVE-2023-5561](https://patchblox.com/security/data/fix/linux/debian-cve-2023-5561.md) | Oct 16, 2023 |
| Linux | wordpress Debian 14 | 6.3.2+dfsg1-1 | [DEBIAN-CVE-2023-5561](https://patchblox.com/security/data/fix/linux/debian-cve-2023-5561.md) | Oct 16, 2023 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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