WordPress WP Event SOlution plugin <= 4.1.19 - Arbitrary Content Deletion vulnerability

published 2026-08-13 2 mo ago modified 2026-10-23 16 d ago also EUVD-2026-57956

cvss: 7.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 25%
public exploits: 0; none known

Customer Arbitrary Content Deletion in WP Event SOlution <= 4.1.19 versions.

Patch / fix

fixed in 1

Arraytics WP Event SOlution 4.1.20

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 mo ago (2026-08-13)

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Affected products

Arraytics WP Event SOlution

Classification

Weakness

CWE-862 Missing Authorization

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/wp-event-solution/vulnerability/wordpress-wp-event-solution-plugin-4-1-19-arbitrary
vdb-entry

Sources

CVE List CVE-2026-28173
NVD CVE-2026-28173

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.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary