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CVE-2026-15404— Bulk Page Generator <= 2.5.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Title

Quick assessment

Affected
niklaslindemann Bulk Page Generator – LPagery
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 Bulk Page Generator – LPagery是WordPress基金会的一个批量页面生成插件。 WordPress Bulk Page Generator – LPagery 2.5.7及之前版本存在跨站脚本漏洞，该漏洞源于lpagery_add_filter_text_template_post()函数中的输入清理和输出转义不足，导致可通过post标题进行存储型跨站脚本攻击，使得具有贡献者及以上权限的认证攻击者能够注入任意Web脚本，当高权限用户访问包含指向攻击者文章的

CVSS 6.4 · Medium EPSS 0.33% · P26

Affected Version Matrix 1

VendorProduct Version RangeStatus
niklaslindemann Bulk Page Generator – LPagery ≤ 2.5.7 affected
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I. Basic Information for CVE-2026-15404

Vulnerability Information
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Vulnerability Title
Bulk Page Generator <= 2.5.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Title
Source: CVE Program / CVE List V5
Vulnerability Description
The Lpagery plugin for WordPress is vulnerable to Stored Cross-Site Scripting via post titles in versions up to, and including, 2.5.7. This is due to insufficient input sanitization and output escaping in the lpagery_add_filter_text_template_post() function, which is hooked to admin_footer and echoes the raw post_title of the post referenced by the ?lpagery_template query parameter directly inside a JavaScript single-quoted string literal, without esc_js(), esc_html(), or any other encoding. 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 higher-privileged user (such as an administrator) accesses an admin page with the ?lpagery_template=<post_id> parameter pointing at the attacker's post.
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 Bulk Page Generator – LPagery 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Bulk Page Generator – LPagery是WordPress基金会的一个批量页面生成插件。 WordPress Bulk Page Generator – LPagery 2.5.7及之前版本存在跨站脚本漏洞，该漏洞源于lpagery_add_filter_text_template_post()函数中的输入清理和输出转义不足，导致可通过post标题进行存储型跨站脚本攻击，使得具有贡献者及以上权限的认证攻击者能够注入任意Web脚本，当高权限用户访问包含指向攻击者文章的
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
niklaslindemann Bulk Page Generator – LPagery 0 ~ 2.5.7 -

II. Public POCs for CVE-2026-15404

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III. Intelligence Information for CVE-2026-15404

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Patches & Fixes for CVE-2026-15404 (1)

Vendor Advisories for CVE-2026-15404 (1)

IV. Related Vulnerabilities

Same vendor: niklaslindemann
Same weakness: CWE-79

V. Comments for CVE-2026-15404

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