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CVE-2026-104368— Export and Import Users and Customers <= 2.7.5 - Authenticated (Subscriber+) Privilege Escalation via CSV Escape-Character Mismatch in Export/Import Round Trip via Biographical Info Field

Quick assessment

Affected
webtoffee Export and Import Users and Customers
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"Export and Import Users and Customers"插件在所有 2.7.5 及更早版本中存在权限提升漏洞，该漏洞可通过插件自身的导出与重新导入工作流触发。漏洞产生的原因是导出器与导入器之间 CSV 转义字符不匹配：class-csvwriter.php 使用 PHP 默认的斜杠（\）作为转义字符，通过 fputcsv() 写入单元格；而 class-csvreader.php 在解析同一文件时，使用双引号（"）作为转义字符调用 fgetcsv()。因此，若订阅者（Su

CVSS 8.8 · High EPSS 0.35% · P28

Affected Version Matrix 1

VendorProduct Version RangeStatus
webtoffee Export and Import Users and Customers ≤ 2.7.5 affected
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I. Basic Information for CVE-2026-104368

Vulnerability Information
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Vulnerability Title
Export and Import Users and Customers <= 2.7.5 - Authenticated (Subscriber+) Privilege Escalation via CSV Escape-Character Mismatch in Export/Import Round Trip via Biographical Info Field
Source: CVE Program / CVE List V5
Vulnerability Description
The Export and Import Users and Customers plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.7.5 via the plugin's own export and re-import workflow. The vulnerability exists because of a CSV escape-character mismatch between the exporter and the importer: class-csvwriter.php writes cells with fputcsv() using PHP's default backslash (\) escape character, while class-csvreader.php parses the same file with fgetcsv() using a double-quote (") as the escape character. As a result, a crafted value stored in a Subscriber's Biographical Info field — containing a backslash-quote sequence followed by a newline — is written as a single quoted CSV field but parsed back as two separate rows on import. The injected second row is then processed by hf_create_customer() as a new user record whose user_login, user_pass, user_email, and role are entirely attacker-controlled, allowing the creation of an arbitrary Administrator account. This makes it possible for authenticated attackers with Subscriber-level access and above to escalate their privileges to Administrator.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对输出编码和转义不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
webtoffee Export and Import Users and Customers 0 ~ 2.7.5 -

II. Public POCs for CVE-2026-104368

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III. Intelligence Information for CVE-2026-104368

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Patches & Fixes for CVE-2026-104368 (1)

Vendor Pages for CVE-2026-104368 (5)

IV. Related Vulnerabilities

Same product: Export and Import Users and Customers
Same vendor: webtoffee
Same weakness: CWE-116