CVE-2021-24153

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Source

https://cve.org/CVERecord?id=CVE-2021-24153

Import Source

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

JSON Data

https://api.test.osv.dev/v1/vulns/CVE-2021-24153

Published

2021-04-05T19:15:14.560Z

Modified

2026-03-20T04:08:07.331737Z

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

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

1.5.2.5

1.5.2.6

1.5.2.7

1.5.2.8

1.5.3

1.5.3.1

1.5.3.2

1.5.3.3

1.5.4

1.5.4.1

1.5.4.2

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

1.7

1.7.1

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

2.3.3

2.3.4

2.3.5

3.*

3.0

3.0.1

3.0.2

3.0.3

3.0.4

3.0.5

3.0.6

3.0.7

3.1

3.1.1

3.1.2

3.2

3.2.1

3.2.2

3.2.3

3.2.4

3.2.5

3.3.0

3.3.1

3.3.2

3.3.3

3.3.4

3.4

Database specific

source

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