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CVE-2026-15730— GamiPress <= 7.9.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'heading_size' Shortcode Attribute

Quick assessment

Affected
rubengc GamiPress – Gamification plugin to reward points, achievements, badges & ranks in WordPress
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 GamiPress是WordPress基金会的一个游戏化插件，用于奖励积分、成就、徽章和等级。 WordPress GamiPress 7.9.9.1及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，导致通过'heading_size' Shortcode Attribute参数可以发起存储型跨站脚本攻击，经过身份验证的攻击者（具有贡献者级别及以上权限）能够在页面中注入任意Web脚本，当用户访问这些页面时脚本会执行。

CVSS 6.4 · Medium EPSS 0.38% · P29

Affected Version Matrix 1

VendorProduct Version RangeStatus
rubengc GamiPress – Gamification plugin to reward points, achievements, badges & ranks in WordPress ≤ 7.9.9.1 affected
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I. Basic Information for CVE-2026-15730

Vulnerability Information
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Vulnerability Title
GamiPress <= 7.9.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'heading_size' Shortcode Attribute
Source: CVE Program / CVE List V5
Vulnerability Description
The GamiPress – Gamification plugin to reward points, achievements, badges & ranks in WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'heading_size' Shortcode Attribute in all versions up to, and including, 7.9.9.1 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. The wp_kses_post filter applied at post save does not neutralize this payload because only the inert shortcode text is stored in post_content; the dangerous HTML is synthesized at render time by the shortcode handler, entirely bypassing save-time sanitization.
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
Vulnerability Title
WordPress GamiPress 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress GamiPress是WordPress基金会的一个游戏化插件，用于奖励积分、成就、徽章和等级。 WordPress GamiPress 7.9.9.1及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，导致通过'heading_size' Shortcode Attribute参数可以发起存储型跨站脚本攻击，经过身份验证的攻击者（具有贡献者级别及以上权限）能够在页面中注入任意Web脚本，当用户访问这些页面时脚本会执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
rubengc GamiPress – Gamification plugin to reward points, achievements, badges & ranks in WordPress 0 ~ 7.9.9.1 -

II. Public POCs for CVE-2026-15730

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III. Intelligence Information for CVE-2026-15730

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Vendor Advisories for CVE-2026-15730 (1)

IV. Related Vulnerabilities

Same product: GamiPress – Gamification plugin to reward points, achievements, badges & ranks in WordPress
Same vendor: rubengc
Same weakness: CWE-79

V. Comments for CVE-2026-15730

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