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CVE-2026-97348— SiteOrigin Widgets Bundle <= 1.74.3 - Authenticated (Contributor+) Arbitrary File Read via LESS Injection via [siteorigin_widget] Shortcode 'value' JSON Instance (design.colors LESS Variable)

Quick assessment

Affected
gpriday SiteOrigin Widgets Bundle
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 SiteOrigin Widgets Bundle 插件在 1.74.3 及之前所有版本中存在目录遍历漏洞。攻击者可以通过 get_instance_css 函数利用该漏洞。这使得具有贡献者及以上权限的已认证攻击者能够读取服务器上任意文件的内容，而这些文件可能包含敏感信息。该小部件通常的 update()/sanitize_field_input() 流程（用于拒绝非十六进制颜色值）被完全绕过，因为 [siteorigin_widget] 简码处理器直接对攻击者提供的已解码 JSON 实例调

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2026-97348

Vulnerability Information
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Vulnerability Title
SiteOrigin Widgets Bundle <= 1.74.3 - Authenticated (Contributor+) Arbitrary File Read via LESS Injection via [siteorigin_widget] Shortcode 'value' JSON Instance (design.colors LESS Variable)
Source: CVE Program / CVE List V5
Vulnerability Description
The SiteOrigin Widgets Bundle plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 1.74.3 via the get_instance_css function. This makes it possible for authenticated attackers, with contributor-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information. The widget's normal update()/sanitize_field_input() pipeline — which would reject non-hex color values — is bypassed entirely because the [siteorigin_widget] shortcode handler calls $the_widget->widget() directly on the attacker-supplied decoded JSON instance.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
gpriday SiteOrigin Widgets Bundle 0 ~ 1.74.3 -

II. Public POCs for CVE-2026-97348

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III. Intelligence Information for CVE-2026-97348

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Patches & Fixes for CVE-2026-97348 (2)

Vendor Advisories for CVE-2026-97348 (1)

IV. Related Vulnerabilities

Same product: SiteOrigin Widgets Bundle
Same vendor: gpriday
Same weakness: CWE-22

V. Comments for CVE-2026-97348

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