WordPress Core < 5.7.1 - Sensitive Information Disclosure

6.5
Exposure of Sensitive Information to an Unauthorized Actor
CVE CVE-2021-29450
CVSS 6.5 (Medium)
Publicly Published April 15, 2021
Last Updated July 8, 2022
Researcher Mikael Korpela

Description

Wordpress is an open source CMS. One of the blocks in the WordPress editor can be exploited in a way that exposes password-protected posts and pages. This requires at least contributor privileges. This has been patched in WordPress 5.7.1, along with the older affected versions via minor releases. It's strongly recommended that you keep auto-updates enabled to receive the fix.

References

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Vulnerability Details for WordPress

Software Type Core
Patched? Yes
Remediation Update to one of the following versions, or a newer patched version: 4.7.20, 4.8.16, 4.9.17, 5.0.12, 5.1.9, 5.2.10, 5.3.7, 5.4.5, 5.5.4, 5.6.3, 5.7.1
Affected Versions
  • 5.1 - 5.1.9 (exclusive)
  • 5.3 - 5.3.7 (exclusive)
  • 5.4 - 5.4.5 (exclusive)
  • 5.5 - 5.5.4 (exclusive)
Expand to see 7 more affected version ranges.
  • 5.6 - 5.6.3 (exclusive)
  • 5.7 - 5.7.1 (exclusive)
  • 4.7 - 4.7.20 (exclusive)
  • 4.8 - 4.8.16 (exclusive)
  • 4.9 - 4.9.17 (exclusive)
  • 5.0 - 5.0.12 (exclusive)
  • 5.2 - 5.2.10 (exclusive)
Patched Versions
  • 4.7.20
  • 4.8.16
  • 4.9.17
  • 5.0.12
Expand to see 7 more patched versions.
  • 5.1.9
  • 5.2.10
  • 5.3.7
  • 5.4.5
  • 5.5.4
  • 5.6.3
  • 5.7.1

Recent vulnerabilities in WordPress

# Title CVE ID CVSS Researchers Date
1 WordPress Core <= 7.0.3 - Authenticated (Author+) Remote Code Execution via Malicious File Upload CVE-2026-65640 8.8 pwn.ai Team August 12, 2026
2 WordPress Core <= 7.0.2 - Authenticated (Author+) CSS Injection 5.5 August 8, 2026
3 WordPress Core <= 7.0.2 - Unauthenticated Sensitive Information Exposure via Comment Feeds 5.3 Elio Gubser (odkdn1) August 8, 2026
4 WordPress Core <= 7.0.2 - Unauthenticated Blind Server-Side Request Forgery 5.8 Andrew MacPherson August 8, 2026
5 WordPress Core <= 7.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Quick Edit 4.9 moochi, mappymappy August 8, 2026
6 WordPress Core <= 7.0.2 - Authenticated (Subscriber+) Email Change Confirmation Bypass 4.3 0ways August 8, 2026
7 WordPress Core <= 7.0.2 - Unauthenticated Reflected Cross-Site Scripting via log Parameter CVE-2026-64638 6.1 pwn.ai Team August 8, 2026
8 WordPress Core <= 7.0.2 - Authenticated (Subscriber+) Missing Authorization to Arbitrary Site Creation on Multisite 4.3 Aikido Security August 8, 2026
9 WordPress Core <= 7.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Emoji Settings Element 6.4 Asaf Mozes August 8, 2026
10 WordPress Core 6.9 - 7.0.1 - Remote Code Execution via REST API Batch Request Route Confusion CVE-2026-63030 9.8 Adam Kues July 17, 2026

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