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CVE-2026-54840
WordPress Newsletters plugin <= 4.13 - Broken Access Control vulnerability
High7.3EPSS 0.30%
- Published
- Updated
- Reserved
- Assigned by
- Patchstack
Description
Unauthenticated Broken Access Control in Newsletters <= 4.13 versions.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| PatchstackCNA (assigner) | 3.1 | High7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVDNVD · Deferred | 3.1 | High7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
- EPSS (exploitation in 30 days)
- 0.30% · top 77% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.3.
Weakness
Affected products
Tribulant Software · Newsletters
- affected n/a – ≤ 4.13
What to do
Solution: Update the WordPress Newsletters Plugin to the latest available version (at least 4.14).
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-54840)Record last updated .