CVE-2021-39356
5.5 MEDIUMThe Content Staging WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and escaping via s...
Published: 2021-10-21 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 5.5 MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
- CWE
- CWE-79
Affected products
| Vendor | Product |
|---|---|
| content_staging_project | content_staging |
Description
The Content Staging WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and escaping via several parameters that are echo'd out via the ~/templates/settings.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 2.0.1. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-39356
- [Exploit reference]https://github.com/BigTiger2020/word-press/blob/main/Content%20Staging.md
- [Other]https://plugins.trac.wordpress.org/browser/content-staging/trunk/templates/settings.php
- [Other]https://wordfence.com/vulnerability-advisories/#CVE-2021-39356
- [Exploit reference]https://github.com/BigTiger2020/word-press/blob/main/Content%20Staging.md
- [Other]https://plugins.trac.wordpress.org/browser/content-staging/trunk/templates/settings.php
- [Other]https://wordfence.com/vulnerability-advisories/#CVE-2021-39356
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Same CWE
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