CVE-2021-24428

CVE-2021-24428 is a medium-severity vulnerability in Yandex Yandex Turbo with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-24428?
CVE-2021-24428 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-24428 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24428?
CVE-2021-24428 affects Yandex Yandex Turbo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24428?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-24428 published?
CVE-2021-24428 was published on 2021-08-02 and last updated on 2026-06-17.

References

Affected products (1)

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