CVE-2026-40770

EUVD-2026-36979
Unauthenticated Cross Site Scripting (XSS) in Coupon Affiliates <= 7.5.3 versions.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
PatchstackCNA
7.1 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 6.94%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
relywpcoupon_affiliates
𝑥
≤ 7.5.3
CNA
Common Weakness Enumeration
References
https://patchstack.com/database/wordpress/plugin/woo-coupon-usage/vulnerability/wordpress-coupon-affiliates-plugin-7-5-3-cross-site-scripting-xss-vulnerability?_s_id=cve