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CVE-2026-7501— LinkStackOrg LinkStack UserController.php editPage cross site scripting

Quick assessment

Affected
LinkStackOrg LinkStack
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.

LinkStack是LinkStack开源的一个独特的平台，为在线管理和共享链接提供了高效的解决方案。 LinkStack 4.8.6及之前版本存在跨站脚本漏洞，该漏洞源于文件app/Http/Controllers/UserController.php中editPage函数对参数pageDescription的操作，可能导致跨站脚本攻击。

CVSS 3.5 · Low EPSS 0.35% · P26

Affected Version Matrix 7

VendorProduct Version RangeStatus
LinkStackOrg LinkStack 4.8.0 affected
4.8.1 affected
4.8.2 affected
4.8.3 affected
4.8.4 affected
4.8.5 affected
4.8.6 affected
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I. Basic Information for CVE-2026-7501

Vulnerability Information
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Vulnerability Title
LinkStackOrg LinkStack UserController.php editPage cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in LinkStackOrg LinkStack up to 4.8.6. Impacted is the function editPage of the file app/Http/Controllers/UserController.php. Executing a manipulation of the argument pageDescription can lead to cross site scripting. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through a pull request but has not reacted yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/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
LinkStack 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LinkStack是LinkStack开源的一个独特的平台，为在线管理和共享链接提供了高效的解决方案。 LinkStack 4.8.6及之前版本存在跨站脚本漏洞，该漏洞源于文件app/Http/Controllers/UserController.php中editPage函数对参数pageDescription的操作，可能导致跨站脚本攻击。
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
LinkStackOrg LinkStack 4.8.0 -

II. Public POCs for CVE-2026-7501

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III. Intelligence Information for CVE-2026-7501

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Patches & Fixes for CVE-2026-7501 (1)

Vendor Pages for CVE-2026-7501 (1)

Other References for CVE-2026-7501 (1)

IV. Related Vulnerabilities

Same product: LinkStack
Same vendor: LinkStackOrg
Same weakness: CWE-79

V. Comments for CVE-2026-7501

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