PT-2026-36191 · Linkstackorg · Linkstack

Aliaz · Published 2026-04-30 · Updated 2026-05-01 · CVE-2026-7501

Positive Technologies (AI Summary)

CVSS v2.0

4.0

Medium

Base vector

AV:N/AC:L/Au:S/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions LinkStackOrg LinkStack versions prior to 4.8.7

Description A weakness in the editPage() function within the app/Http/Controllers/UserController.php file allows for remote cross-site scripting (XSS), which occurs when a user-supplied value is included in a web page without proper validation or escaping. This is triggered by manipulating the pageDescription argument.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability. As a temporary workaround, restrict access to the editPage() function to minimize the risk of exploitation.

Exploit

XSS

Code Injection

Weakness Enumeration

CWE-79

CWE-94

Related Identifiers

CVE-2026-7501

Affected Products

Linkstack

References · 10

• 🔥 https://github.com/az10b/security-advisories/blob/main/stored_xss_linkstack.md · Exploit
• https://github.com/LinkStackOrg/LinkStack/pull/974 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-7501 · Security Note
• https://vuldb.com/submit/801651 · Note
• https://twitter.com/infoflowcloud/status/2049972608129540470 · Twitter Post
• https://github.com/LinkStackOrg/LinkStack · Note
• https://vuldb.com/vuln/360311 · Note
• https://twitter.com/VulmonFeeds/status/2050023425532424345 · Twitter Post
• https://twitter.com/CVEnew/status/2049970637037605068 · Twitter Post
• https://vuldb.com/vuln/360311/cti · Note