What is CVE-2021-24428?

CVE-2021-24428 is a medium-severity vulnerability in Yandex Turbo, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-08-02.

How severe is CVE-2021-24428?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2021-24428 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Yandex Turbo

CVE-2021-24428

The RSS for Yandex Turbo WordPress plugin through 1.30 does not sanitise or escape some of its settings before saving and outputing them in the admin dashboard, leading to an Authenticated Stored Cross-Site Scripting issue even when the unfiltered_html capability is disallowed.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (42.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Yandex Yandex_turbo
Unknown Rss For Yandex Turbo — versions 1.30

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

contact@wpscan.com (Third Party Advisory, x_refsource_MISC)
contact@wpscan.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-24428?: CVE-2021-24428 is a medium-severity vulnerability in Yandex Turbo, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-08-02.
How severe is CVE-2021-24428?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2021-24428 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.