What’s Vulnerable › Vulnerabilities

CVE-2021-24428: RSS for Yandex Turbo <= 1.30 - Authenticated Stored XSS

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-02 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• RSS for Yandex Turbo: through 1.30

References

• https://m0ze.ru/vulnerability/%5B2021-04-23%5D-%5BWordPress%5D-%5BCWE-79%5D-RSS-for-Yandex-Turbo-WordPress-Plugin-v1.30.txt
• https://wpscan.com/vulnerability/9fcf6ebe-01d9-4730-a20e-58b192bb6d87
• https://m0ze.ru/vulnerability/%5B2021-04-23%5D-%5BWordPress%5D-%5BCWE-79%5D-RSS-for-Yandex-Turbo-WordPress-Plugin-v1.30.txt
• https://wpscan.com/vulnerability/9fcf6ebe-01d9-4730-a20e-58b192bb6d87

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