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CVE-2026-8354— Gum Addon for Elementor <= 1.3.15 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'pop_tag' Widget Setting

Quick assessment

Affected
celomitan Gum Addon for Elementor
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 Elementor 的 Gum Addon 插件在所有版本（包括 1.3.15 及更早版本）中存在存储型跨站脚本（Stored Cross-Site Scripting）漏洞。该漏洞是由于对 参数缺乏足够的输入清洗和输出转义所致。这使得拥有“贡献者”级别或更高权限的已认证攻击者能够向页面中注入任意 Web 脚本，当任何用户访问该被注入的页面时，这些脚本将会执行。

CVSS 6.4 · Medium

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-8354

Vulnerability Information
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Vulnerability Title
Gum Addon for Elementor <= 1.3.15 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'pop_tag' Widget Setting
Source: CVE Program / CVE List V5
Vulnerability Description
The Gum Addon for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'pop_tag' parameter in all versions up to, and including, 1.3.15 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.
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
celomitan Gum Addon for Elementor 0 ~ 1.3.15 -

II. Public POCs for CVE-2026-8354

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III. Intelligence Information for CVE-2026-8354

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Other References for CVE-2026-8354 (1)

Other References for CVE-2026-8354 (3)

IV. Related Vulnerabilities

Same product: Gum Addon for Elementor
Same vendor: celomitan
Same weakness: CWE-79

V. Comments for CVE-2026-8354

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