Vulnerability · Published Aug 29, 2026 · Assigned by WPScan

CVE-2026-17522Newsletters < 4.17 - Arbitrary Plugin Option Update via CSRF

Medium 5.4

In plain English

A medium-severity cross-site request forgery in Newsletters from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 3% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.1%top 96.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
Unknown	Newsletters	0 – before 4.17

Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

References

https://wpscan.com/vulnerability/ebb8d4b7-14b5-49ed-b727-129123d6ce45/ exploit, vdb-entry, technical-description