WordPress Tainacan plugin <= 1.3.0 - PHP Object Injection vulnerability

published 2026-10-10 30 d ago modified 2026-10-13 27 d ago also EUVD-2026-96323

cvss: 7.2; 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 21%
public exploits: 0; none known

Deserialization of Untrusted Data vulnerability in Tainacan Community Tainacan tainacan allows Object Injection.This issue affects Tainacan: from n/a through 1.3.0.

Patch / fix

fixed in 1

Tainacan Community Tainacan 1.4.0

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 29 d ago (2026-10-11)

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.2	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

Tainacan Community Tainacan

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/tainacan/vulnerability/wordpress-tainacan-plugin-1-3-0-php-object-injection-vulnera
vdb-entry

Sources

CVE List CVE-2026-94676
NVD CVE-2026-94676

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