CVE-2026-92622— Strong Testimonials <= 3.3.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'lightbox_class' Shortcode Attribute
Quick assessment
Affected
wpchill Strong Testimonials
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 Strong Testimonials 插件在所有 3.3.8 及更早版本中，由于输入净化不足和输出转义不当，存在通过 短代码属性引发的存储型跨站脚本（Stored XSS）漏洞。 这使得拥有贡献者（contributor）级别及以上权限的已认证攻击者能够在页面中注入任意 Web 脚本；这些脚本将在任何用户访问被注入的页面时执行。 利用该漏洞需满足以下条件：目标证言视图（testimonial view）中至少包含一条已发布的证言，且该证言具有特色图片（featured image）并启用了
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| wpchill | Strong Testimonials | ≤ 3.3.8 |
affected |
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I. Basic Information for CVE-2026-92622
Vulnerability Information
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Vulnerability Title
Strong Testimonials <= 3.3.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'lightbox_class' Shortcode Attribute
Source: CVE Program / CVE List V5
Vulnerability Description
The Strong Testimonials plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'lightbox_class' Shortcode Attribute in all versions up to, and including, 3.3.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires that the targeted testimonial view has at least one published testimonial with a featured image and the lightbox wrapper enabled, as the vulnerable code path is only reached when a thumbnail is rendered.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| wpchill | Strong Testimonials | 0 ~ 3.3.8 | - |
|
II. Public POCs for CVE-2026-92622
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-92622 (4)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-92622
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