CVE-2021-24153

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Source
https://cve.org/CVERecord?id=CVE-2021-24153
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-24153.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-24153
Published
2021-04-05T19:15:14.560Z
Modified
2026-04-10T05:56:26.909021Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

A Stored Cross-Site Scripting vulnerability was discovered in the Yoast SEO WordPress plugin before 3.4.1, which had built-in blacklist filters which were blacklisting Parenthesis as well as several functions such as alert but bypasses were found.

References

Affected packages

Git / github.com/yoast/wordpress-seo

Affected ranges

Type
GIT
Repo
https://github.com/yoast/wordpress-seo
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
1f22f0756e679d0b474400a6e3c248324d168bdd
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "3.4.1"
        }
    ]
}

Affected versions

1.*
1.4.15
1.4.18
1.4.20
1.4.21
1.4.22
1.4.23
1.4.24
1.4.25
1.5.0
1.5.1
1.5.2
1.5.2.1
1.5.2.2
1.5.2.3
1.5.2.4
1.5.5
1.5.5.1
1.5.5.2
1.5.5.3
1.5.6
1.6
1.6.1
1.6.2
1.6.3
1.8-beta
2.*
2.0
2.0.1
2.1
2.1.1
2.2
2.2.1
2.3
2.3.1
2.3.2
3.*
3.0
3.0.1
3.0.2
3.0.3
3.0.4
3.0.5
3.0.6
3.3.1
3.4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-24153.json"