WordPress Core < 5.8.3 - Authenticated (Author+) Stored Cross Site Scripting

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2022-21662
CVSS High (8)
Publicly Published January 6, 2022
Last Updated January 22, 2024
Researcher Simon Scannell, Karim El Ouerghemmi
Description

WordPress is a free and open-source content management system written in PHP and paired with a MariaDB database. Low-privileged authenticated users (like author) in WordPress core are able to execute JavaScript/perform stored XSS attack, which can affect high-privileged users. This has been patched in WordPress version 5.8.3. Older affected versions are also fixed via security release, that go back till 3.7.37. We strongly recommend that you keep auto-updates enabled. There are no known workarounds for this issue.

References

1 affected software package

Software Type Core
Software Slug wordpress (view on wordpress.org)
Patched? Yes
Affected Version
  • 3.7 - 3.7.37
  • 3.8 - 3.8.37
  • 3.9 - 3.9.35
  • 4.0 - 4.0.34
  • 4.1 - 4.1.34
  • 4.2 - 4.2.31
  • 4.3 - 4.3.27
  • 4.4 - 4.4.26
  • 4.5 - 4.5.25
  • 4.6 - 4.6.22
  • 4.7 - 4.7.22
  • 4.8 - 4.8.18
  • 4.9 - 4.9.19
  • 5.0 - 5.0.15
  • 5.1 - 5.1.12
  • 5.2 - 5.2.14
  • 5.3 - 5.3.11
  • 5.4 - 5.4.9
  • 5.5 - 5.5.8
  • 5.6 - 5.6.7
  • 5.7 - 5.7.5
  • 5.8 - 5.8.3
Patched Version
  • 3.7.37
  • 3.8.37
  • 3.9.35
  • 4.0.34
  • 4.1.34
  • 4.2.31
  • 4.3.27
  • 4.4.26
  • 4.5.25
  • 4.6.22
  • 4.7.22
  • 4.8.18
  • 4.9.19
  • 5.0.15
  • 5.1.12
  • 5.2.14
  • 5.3.11
  • 5.4.9
  • 5.5.8
  • 5.6.7
  • 5.7.5
  • 5.8.3
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