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CVE-2026-103519— WP Ultimate Review <= 2.4.3 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via 'xs_reviw_summery' Parameter

Quick assessment

Affected
roxnor WP Ultimate Review
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 插件 WP Ultimate Review 在所有 2.4.3 及更低版本中存在任意短代码执行漏洞。该漏洞源于软件在未对值进行充分验证的情况下便执行了 函数，允许用户触发不当操作。这使得拥有订阅者级别及以上权限的已认证攻击者能够执行任意短代码。该利用方式依赖于 WordPress 内置的 函数将双括号转义格式 剥离为裸形式的 ，该形式在通过 存储时得以保留，并在通过 钩子渲染公共可查询的 文章类型时被触发执行。

CVSS 5.4 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-103519

Vulnerability Information
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Vulnerability Title
WP Ultimate Review <= 2.4.3 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via 'xs_reviw_summery' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The The WP Ultimate Review plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 2.4.3. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for authenticated attackers, with subscriber-level access and above, to execute arbitrary shortcodes. The bypass relies on WordPress's own strip_shortcodes() function unwrapping the [[tag]] double-bracket escape to a bare [tag] that survives wp_insert_post storage and fires when the publicly queryable xs_review post type is rendered through the_content.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
roxnor WP Ultimate Review 0 ~ 2.4.3 -

II. Public POCs for CVE-2026-103519

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III. Intelligence Information for CVE-2026-103519

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Other References for CVE-2026-103519 (6)

Same Patch Batch · roxnor · 2026-10-03 · 3 CVEs total

CVE-2026-100157 6.5 MEDIUM WP Ultimate Review <= 2.4.3 - Unauthenticated Arbitrary Shortcode Execution via 'xs_reviw_
CVE-2026-97344 6.4 MEDIUM Wp Social Login and Register Social Counter <= 3.2.1 - Authenticated (Subscriber+) Stored

IV. Related Vulnerabilities

Same product: WP Ultimate Review
Same vendor: roxnor
Same weakness: CWE-94

V. Comments for CVE-2026-103519

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