WordPress Estatik plugin <= 4.3.5 - Privilege Escalation vulnerability

published 2026-09-30 40 d ago modified 2026-09-30 40 d ago also EUVD-2026-89863

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits: 0; none known

Subscriber Privilege Escalation in Estatik <= 4.3.5 versions.

Patch / fix

fixed in 1

Estatik Estatik 4.3.6

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 40 d ago (2026-09-30)

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Estatik Estatik

Classification

Weakness

CWE-266 Incorrect Privilege Assignment

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/estatik/vulnerability/wordpress-estatik-plugin-4-3-5-privilege-escalation-vulnerabi
vdb-entry

Sources

CVE List CVE-2026-96350
NVD CVE-2026-96350

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary