CVE-2026-42740

CRITICAL 9.3

WordPress Tainacan plugin <= 1.0.3 - SQL Injection vulnerability

CVSS Score

9.3

EPSS Score

0.0%

EPSS Percentile

0th

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in tainacan Tainacan tainacan allows Blind SQL Injection.This issue affects Tainacan: from n/a through <= 1.0.3.

CWE	CWE-89
Vendor	tainacan
Product	tainacan
Published	May 27, 2026
Last Updated	May 27, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

None

Availability

Low

Affected Versions

tainacan / Tainacan

0 ≤ 1.0.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/tainacan/vulnerability/wordpress-tainacan-plugin-1-0-3-sql-injection-vulnerability?_s_id=cve

Credits

hhhai | Patchstack Bug Bounty Program