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CVE-2026-111592— PublishPress Authors 4.17.0 存储型跨站脚本漏洞

一分钟漏洞结论

影响对象
publishpress Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

WordPress 的 PublishPress Authors 插件中，作者框内的“合作作者”、“多位作者”和“客座作者”功能存在存储型跨站脚本（Stored XSS）漏洞，影响所有 4.17.0 及之前的版本。该漏洞源于对"name（映射为 display_name）”参数的输入过滤不足以及输出转义缺失。这使得拥有订阅者（Subscriber）及以上权限的已认证攻击者能够向页面注入任意 Web 脚本，当用户访问被注入的页面时，这些脚本即会被执行。利用该漏洞需要攻击者的账户具备已映射的作者分类（author te

CVSS 6.4 · Medium EPSS 0.19% · P9

影响版本矩阵 1

厂商产品 版本范围状态
publishpress Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors ≤ 4.17.0 affected
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一、 漏洞 CVE-2026-111592 基础信息

漏洞信息
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Vulnerability Title
Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors <= 4.17.0 - Authenticated (Subscriber+) Stored Cross-Site Scripting via display_name profile-sync into author term name
来源: CVE Program / CVE List V5
Vulnerability Description
The Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'name (maps to display_name)' parameter in all versions up to, and including, 4.17.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires the attacker's user account to have a mapped author term, which occurs when an administrator has assigned them as a co-author on content or has enabled automatic author term creation for their role — this mapping is not present by default for new users on a stock install.
来源: 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
来源: 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)
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
publishpress Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors 0 ~ 4.17.0 -

二、漏洞 CVE-2026-111592 的公开POC

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三、漏洞 CVE-2026-111592 的情报信息

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CVE-2026-111592 其他参考 (5)

IV. Related Vulnerabilities

Same product: Co-Authors, Multiple Authors and Guest Authors in an Author Box with PublishPress Authors
Same vendor: publishpress
Same weakness: CWE-79