What’s Vulnerable › Vulnerabilities

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

• Severity: low (CVSS 3.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-30 · updated 2026-10-26
• Weakness: CWE-79

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.

Affected products

• LinkStackOrg LinkStack: 4.8.0, 4.8.1, 4.8.2, 4.8.3, 4.8.4, 4.8.5 (+1)

References

• https://github.com/LinkStackOrg/LinkStack/
• https://github.com/LinkStackOrg/LinkStack/pull/974
• https://github.com/az10b/security-advisories/blob/main/stored_xss_linkstack.md
• https://vuldb.com/submit/801651
• https://vuldb.com/vuln/360311
• https://vuldb.com/vuln/360311/cti

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