Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-17522
Unknown Newsletters — Newsletters < 4.17 - Arbitrary Plugin Option Update via CSRF
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N R U N L L 5.4 .0009 0.5 —
AFFECTED
Product Versions Fixed
Newsletters unspecified —
TIMELINE
Jul 27 Reserved by WPScan
Aug 29 Published (CNA: WPScan)
Aug 30 EXPLOIT PUBLISHED — CVE-2026-17522 (Unknown Newsletters). Public exploit reference added.
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| July 27, 2026 | Reserved | Reserved by WPScan |
| August 29, 2026 | Published | Published (CNA: WPScan) |
| August 30, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-17522 (Unknown Newsletters). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Unknown | Newsletters | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-17522 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.