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CVE-2026-15336— Catch Themes Demo Import <= 3.3 - Missing Authorization to Authenticated (Subscriber+) Single Plugin Installation via 'activate_plugin' Parameter

Quick assessment

Affected
catchplugins Catch Themes Demo Import
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

catchplugins catch themes demo import是catchplugins个人开发者开源的一个主题演示数据导入工具。 WordPress Catch Themes Demo Import 3.3及之前版本存在授权问题漏洞，该漏洞源于catch_themes_demo_import_activate_plugin()函数在admin_init钩子中未正确执行权限检查。在activate_plugin GET参数存在时，该函数会在执行current_user_can('activat

CVSS 4.3 · Medium EPSS 0.43% · P35

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell

Affected Version Matrix 1

VendorProduct Version RangeStatus
catchplugins Catch Themes Demo Import ≤ 3.3 affected
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I. Basic Information for CVE-2026-15336

Vulnerability Information
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Vulnerability Title
Catch Themes Demo Import <= 3.3 - Missing Authorization to Authenticated (Subscriber+) Single Plugin Installation via 'activate_plugin' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Catch Themes Demo Import plugin for WordPress is vulnerable to Missing Authorization in versions up to, and including, 3.3. This is due to the catch_themes_demo_import_activate_plugin() function, hooked on admin_init when the activate_plugin GET parameter is present, calling Plugin_Upgrader::install() to download and install a plugin from WordPress.org before performing the current_user_can('activate_plugins') capability check. This makes it possible for authenticated attackers, with subscriber-level access and above, to install the hardcoded 'essential-content-types' plugin from the WordPress.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Catch Themes Demo Import 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
catchplugins catch themes demo import是catchplugins个人开发者开源的一个主题演示数据导入工具。 WordPress Catch Themes Demo Import 3.3及之前版本存在授权问题漏洞，该漏洞源于catch_themes_demo_import_activate_plugin()函数在admin_init钩子中未正确执行权限检查。在activate_plugin GET参数存在时，该函数会在执行current_user_can('activat
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
catchplugins Catch Themes Demo Import 0 ~ 3.3 -

II. Public POCs for CVE-2026-15336

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III. Intelligence Information for CVE-2026-15336

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Patches & Fixes for CVE-2026-15336 (3)

News Coverage for CVE-2026-15336 (1)

Vendor Pages for CVE-2026-15336 (2)

Other References for CVE-2026-15336 (1)

IV. Related Vulnerabilities

Same product: Catch Themes Demo Import
Same weakness: CWE-862

V. Comments for CVE-2026-15336

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