CVE-2026-17522mediumCWE-352

CVE-2026-17522: medium-severity vulnerability in Newsletters

Newsletters < 4.17 - Arbitrary Plugin Option Update via CSRF

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 5.4epss 0.1%
The Newsletters WordPress plugin before 4.17 does not perform any nonce or capability check when saving one of its settings screens, and writes every submitted parameter into its own options, allowing attackers to make a logged in administrator overwrite arbitrary Newsletters WordPress plugin before 4.17 settings, including the credential protecting its API, via a Cross-Site Request Forgery attack.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Affected products
Unknown · Newsletters
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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