Newsletter < 9.3.7 - Unauthenticated Open Redirect and Subscriber Token Disclosure via ncu Parameter

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-86823
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-16 06:16:35 UTC
Updated2026-09-16 06:16:35 UTC
DescriptionThe Newsletter WordPress plugin before 9.3.7 does not validate the destination of the redirect performed after a public subscription action, allowing unauthenticated attackers to redirect users to arbitrary external sites and to disclose a subscriber token that grants access to that subscriber record's front-end actions.

Risk And Classification

Problem Types: CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Newsletter affected 9.3.7 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/2db98679-24ca-494e-a8fd-f6417a0f1ea8 [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Artus KG (en)

CNA: WPScan (en)

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