High severity · published Aug 18, 2026
CVE-2026-74012
WordPress TaxoPress plugin <= 3.51.0 - PHP Object Injection vulnerability
8.8
CVSS
0.5%
EPSS
No
On KEV
Description
Deserialization of Untrusted Data vulnerability in TaxoPress allows Object Injection.
This issue affects TaxoPress: from n/a through 3.51.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TA
TaxoPress · TaxoPress
through 3.51.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-74012
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-74012
patchstack.com
https://patchstack.com/database/wordpress/plugin/simple-tags/vulnerability/wordpress-taxopress-plugin-3-51-0-php-object-injection-vulnerability?_s_id=cve
More from TaxoPress
6.5
CVE-2025-13359
Tag, Category, and Taxonomy Manager – AI Autotagger with OpenAI <= 3.40.1 - Authenticated (Contributor+) SQL Injection
5.3
CVE-2024-43237
WordPress Tag Groups plugin <= 2.0.3 - Sensitive Data Exposure vulnerability
4.8
CVE-2023-2170
TaxoPress <= 3.6.4 - Authenticated (Editor+) Stored Cross-Site Scripting
4.8
CVE-2023-2169
TaxoPress <= 3.6.4 - Authenticated (Editor+) Stored Cross-Site Scripting
4.8
CVE-2023-2168
TaxoPress <= 3.6.4 - Authenticated (Editor+) Stored Cross-Site Scripting