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WordPress wordpress core

WordPress Core < 6.0.3 — Information Disclosure (Multi-Part Email Leak)

2f0d4f48-a315-4308-a5b6-7d3f045b292fPublished · Updated

Action summary

Affected: ≤6.0.2Update to 3.7.40 or 3.8.40 or 3.9.38 or 4.0.37 or 4.1.37 or 4.2.34 or 4.3.30 or 4.4.29 or 4.5.28 or 4.6.25 or 4.7.25 or 4.8.21 or 4.9.22 or 5.0.18 or 5.1.15 or 5.2.17 or 5.3.14 or 5.4.12 or 5.5.11 or 5.6.10 or 5.7.8 or 5.8.6 or 5.9.5 or 6.0.3 or newer

Fixed versions are per release branch: update to the fix for the branch you run.

All remediation steps
Watch core
Low3.7CVSS 3.13.7CISA KEVNot listedAccessNo account needed
On this page3

Overview

Advisory ID
2f0d4f48-a315-4308-a5b6-7d3f045b292f
Product
WordPress wordpress
Affected
≤6.0.2
Fixed in
3.7.40, 3.8.40, 3.9.38, 4.0.37, 4.1.37, 4.2.34, 4.3.30, 4.4.29, 4.5.28, 4.6.25, 4.7.25, 4.8.21, 4.9.22, 5.0.18, 5.1.15, 5.2.17, 5.3.14, 5.4.12, 5.5.11, 5.6.10, 5.7.8, 5.8.6, 5.9.5, 6.0.3
Required access
No account needed
Published
· updated
Credit
Thomas Kräftner
  1. Affected≤ 6.0.2
  2. Patched in3.7.40 / 3.8.40 / 3.9.38 / 4.0.37 / 4.1.37 / 4.2.34 / 4.3.30 / 4.4.29 / 4.5.28 / 4.6.25 / 4.7.25 / 4.8.21 / 4.9.22 / 5.0.18 / 5.1.15 / 5.2.17 / 5.3.14 / 5.4.12 / 5.5.11 / 5.6.10 / 5.7.8 / 5.8.6 / 5.9.5 / 6.0.3

Update to 3.7.40 / 3.8.40 / 3.9.38 / 4.0.37 / 4.1.37 / 4.2.34 / 4.3.30 / 4.4.29 / 4.5.28 / 4.6.25 / 4.7.25 / 4.8.21 / 4.9.22 / 5.0.18 / 5.1.15 / 5.2.17 / 5.3.14 / 5.4.12 / 5.5.11 / 5.6.10 / 5.7.8 / 5.8.6 / 5.9.5 / 6.0.3 or newer.

3.7
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:H Attack complexity
High
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:L Confidentiality
Low
I:N Integrity
None
A:N Availability
None

WordPress Core is vulnerable to information disclosure via a REST-API endpoint in versions up to 6.0.3. The endpoint for terms and tags did not perform enough validation on the user requesting information about terms and tags for a given post.

This made it possible for users with access to terms and tags, such as a contributor, to determine those details on all posts not belonging to them, even when in a private status. This does not reveal critical information, and as such it is not likely to be exploited.

Not sure which version you run? Run a passive check — it reads public files only.

Remediation & mitigations

  1. Update to one of the following versions, or a newer patched version: 3.7.40, 3.8.40, 3.9.38, 4.0.37, 4.1.37, 4.2.34, 4.3.30, 4.4.29, 4.5.28, 4.6.25, 4.7.25, 4.8.21, 4.9.22, 5.0.18, 5.1.15, 5.2.17, 5.3.14, 5.4.12, 5.5.11, 5.6.10, 5.7.8, 5.8.6, 5.9.5, 6.0.3
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.

References & provenance

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

Timeline

  1. CVE published

    Severity low, CVSS 3.7

  2. Record last updated

Sources & licenses

Sources & licenses

Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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