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CVE-2026-4123— RW Elephant Rental Inventory <= 2.3.13 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Modification via 'toggle_cache' AJAX Action

Quick assessment

Affected
rwelephant01 RW Elephant Rental Inventory
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.

WordPress 的 RW Elephant Rental Inventory 插件在所有低于或等于 2.3.13 的版本中存在缺少权限验证（Missing Authorization）的安全漏洞。该漏洞是由于 函数未进行必要的功能权限检查（capability check）所致，该函数被挂载到了 AJAX 动作上。此外，该函数也缺少 nonce（一次性令牌）验证机制。这使得具有订阅者（Subscriber）级别及以上权限的已认证攻击者可以通过向 发送 POST 请求，随意开启或关闭插件的缓存设置。

CVSS 4.3 · Medium EPSS 0.35% · P28

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
rwelephant01 RW Elephant Rental Inventory ≤ 2.3.13 affected
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I. Basic Information for CVE-2026-4123

Vulnerability Information
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Vulnerability Title
RW Elephant Rental Inventory <= 2.3.13 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Modification via 'toggle_cache' AJAX Action
Source: CVE Program / CVE List V5
Vulnerability Description
The RW Elephant Rental Inventory plugin for WordPress is vulnerable to Missing Authorization in all versions up to and including 2.3.13. This is due to a missing capability check on the toggle_cache() function which is hooked to the wp_ajax_toggle_cache AJAX action. The function also lacks nonce verification. This makes it possible for authenticated attackers, with Subscriber-level access and above, to toggle the plugin's cache setting on or off by sending a POST request to admin-ajax.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
rwelephant01 RW Elephant Rental Inventory 0 ~ 2.3.13 -

II. Public POCs for CVE-2026-4123

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III. Intelligence Information for CVE-2026-4123

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Other References for CVE-2026-4123 (1)

IV. Related Vulnerabilities

Same weakness: CWE-862

V. Comments for CVE-2026-4123

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