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CVE-2026-96578— GSpeech TTS <= 3.22.0 - Unauthenticated Stored Cross-Site Scripting via Comment Content

Quick assessment

Affected
creative-solutions-1 GSpeech TTS – WordPress Text To Speech Plugin
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 文本转语音插件 GSpeech TTS 在 3.22.0 及更早版本中存在存储型跨站脚本（Stored XSS）漏洞。该漏洞是由于输入清理不足和输出转义不充分所导致。攻击者无需身份验证即可在页面中注入任意 Web 脚本，当用户访问被注入脚本的页面时，脚本便会自动执行。 此类 xSS 风格的绕过手段可绕过 WordPress 评论系统的 kses 过滤机制，因为恶意负载仅使用 kses 允许的标签和属性进行存储；但当插件在请求时通过输出缓冲回调函数重写已渲染的 HTML 时，恶意的事件处理器和样式

CVSS 7.2 · High EPSS 0.25% · P15

Affected Version Matrix 1

VendorProduct Version RangeStatus
creative-solutions-1 GSpeech TTS – WordPress Text To Speech Plugin ≤ 3.22.0 affected
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I. Basic Information for CVE-2026-96578

Vulnerability Information
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Vulnerability Title
GSpeech TTS <= 3.22.0 - Unauthenticated Stored Cross-Site Scripting via Comment Content
Source: CVE Program / CVE List V5
Vulnerability Description
The GSpeech TTS – WordPress Text To Speech Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content in all versions up to, and including, 3.22.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This mXSS-style transform bypasses WordPress comment kses sanitization because the payload is stored using only kses-allowed tags and attributes; the malicious event handlers and style fragments become active only when the plugin's output-buffer callback rewrites the rendered HTML at request time.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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
creative-solutions-1 GSpeech TTS – WordPress Text To Speech Plugin 0 ~ 3.22.0 -

II. Public POCs for CVE-2026-96578

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III. Intelligence Information for CVE-2026-96578

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Patches & Fixes for CVE-2026-96578 (4)

Vendor Advisories for CVE-2026-96578 (1)

IV. Related Vulnerabilities

Same product: GSpeech TTS – WordPress Text To Speech Plugin
Same vendor: creative-solutions-1
Same weakness: CWE-79

V. Comments for CVE-2026-96578

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