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CVE-2026-87909— WP Photo Album Plus <= 9.2.09.002 - Authenticated (Subscriber+) Remote Code Execution via Multipart Upload Filename via ImageMagick Argument Injection

Quick assessment

Affected
opajaap WP Photo Album Plus
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 WP Photo Album Plus 插件存在远程代码执行（RCE）漏洞，影响所有版本，漏洞位于 函数。 漏洞成因：在通过 执行 ImageMagick 命令字符串前，对 multipart 上传的文件名缺乏充分的清洗处理。虽然使用了 对整条命令进行转义，但未对各个参数分别加引号。 仅能转义 shell 元字符，无法防止参数注入，因为空格仍作为参数分隔符存在；此外，数据库层面对文件名的清洗逻辑并未应用于用于 ImageMagick 处理的实际临时文件路径。 因此，拥有订阅者（Subscri

CVSS 7.5 · High

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-87909

Vulnerability Information
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Vulnerability Title
WP Photo Album Plus <= 9.2.09.002 - Authenticated (Subscriber+) Remote Code Execution via Multipart Upload Filename via ImageMagick Argument Injection
Source: CVE Program / CVE List V5
Vulnerability Description
The WP Photo Album Plus plugin for WordPress is vulnerable to Remote Code Execution in all versions via the wppa_image_magick function. This is due to insufficient sanitization of the multipart upload filename before concatenation into an ImageMagick command string executed via exec(), with only escapeshellcmd() applied to the whole command rather than quoting individual arguments. This makes it possible for authenticated attackers, with subscriber-level access and above, to execute code on the server. escapeshellcmd() escapes shell metacharacters but does not prevent argument injection because spaces remain as argument separators, and the filename sanitization applied at the database layer is never applied to the physical temporary file path used for ImageMagick processing.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输出中的特殊元素转义处理不恰当(注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
opajaap WP Photo Album Plus 0 ~ 9.2.09.002 -

II. Public POCs for CVE-2026-87909

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III. Intelligence Information for CVE-2026-87909

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Patches & Fixes for CVE-2026-87909 (1)

Vendor Advisories for CVE-2026-87909 (1)

Other References for CVE-2026-87909 (2)

IV. Related Vulnerabilities

Same product: WP Photo Album Plus
Same vendor: opajaap
Same weakness: CWE-74

V. Comments for CVE-2026-87909

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