WordPress Ziina plugin <= 1.2.21 - Broken Authentication vulnerability

published 2026-07-23 3 mo ago modified 2026-10-24 15 d ago also EUVD-2026-48200

cvss: 7.5; 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 37%
public exploits: 0; none known

Unauthenticated Broken Authentication in Ziina <= 1.2.21 versions.

Patch / fix

fixed in 1

Ziina Ziina 1.2.22

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 3 mo ago (2026-07-23)

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

Ziina Ziina

Classification

Weakness

CWE-1390 Weak Authentication

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/ziina/vulnerability/wordpress-ziina-plugin-1-2-21-broken-authentication-vulnerabili
vdb-entry

Sources

CVE List CVE-2026-59554
NVD CVE-2026-59554

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