CVE-2021-24428: RSS for Yandex Turbo <= 1.30 - Authenticated Stored XSS
Vulnerability summary
CVE-2021-24428 is a medium (CVSS 5.5) Cross-site Scripting vulnerability in unknown rss for yandex turbo. EPSS estimates a 0.55% chance of exploitation in the next 30 days, higher than 45% of scored vulnerabilities. Fixed in 1.31.
Timeline
- 02-08-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.55%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.55% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Unknown1 product
Wordpress1 product
- rss-for-yandex-turbo≤ 1.30 (fixed in 1.31)
Yandex1 product
- yandex_turbo≤ 1.30
3 vendors · 3 products
References
3 links- m0ze.ru/vulnerability/…X Refsource MISC