CVE-2023-37867: WordPress Yet Another Stars Rating Plugin <= 3.3.8 is vulnerable to Race Condition

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-11-30 · updated 2026-06-17
Weakness: CWE-367

Description

Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in YetAnotherStarsRating.Com YASR – Yet Another Star Rating Plugin for WordPress.This issue affects YASR – Yet Another Star Rating Plugin for WordPress: from n/a through 3.3.8.

Affected products

Dario Curvino Yasr – Yet Another Stars Rating (WordPress plugin): before 3.3.9 — fixed in 3.3.9

How to fix

Upgrade to a fixed version: Dario Curvino Yasr – Yet Another Stars Rating (WordPress plugin) 3.3.9. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/yet-another-stars-rating/wordpress-yasr-yet-another-stars-rating-plugin-3-3-8-race-condition-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/yet-another-stars-rating/wordpress-yasr-yet-another-stars-rating-plugin-3-3-8-race-condition-vulnerability?_s_id=cve

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