Vulnerability Details CVE-2021-39345
The HAL WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/wp-hal.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 2.1.1. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 60.4%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 2.1
References
- https://github.com/BigTiger2020/word-press/blob/main/HAL.md
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2614075%40hal&new=2614075%40hal&sfp_email=&sfph_mail=
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39345
- https://github.com/BigTiger2020/word-press/blob/main/HAL.md
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2614075%40hal&new=2614075%40hal&sfp_email=&sfph_mail=
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39345
Products affected by CVE-2021-39345
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cpe:2.3:a:cnrs:hal:-
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cpe:2.3:a:cnrs:hal:1.1
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cpe:2.3:a:cnrs:hal:1.2
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cpe:2.3:a:cnrs:hal:1.3
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cpe:2.3:a:cnrs:hal:1.4
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cpe:2.3:a:cnrs:hal:1.4.1
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cpe:2.3:a:cnrs:hal:1.4.2
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cpe:2.3:a:cnrs:hal:1.4.3
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cpe:2.3:a:cnrs:hal:1.4.4
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cpe:2.3:a:cnrs:hal:2.0
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cpe:2.3:a:cnrs:hal:2.0.1
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cpe:2.3:a:cnrs:hal:2.0.10
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cpe:2.3:a:cnrs:hal:2.0.2
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cpe:2.3:a:cnrs:hal:2.0.3
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cpe:2.3:a:cnrs:hal:2.0.4
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cpe:2.3:a:cnrs:hal:2.0.5
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cpe:2.3:a:cnrs:hal:2.0.6
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cpe:2.3:a:cnrs:hal:2.0.7
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cpe:2.3:a:cnrs:hal:2.0.8
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cpe:2.3:a:cnrs:hal:2.0.9
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cpe:2.3:a:cnrs:hal:2.1.0
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cpe:2.3:a:cnrs:hal:2.1.1