CVE-2026-7501

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.

CVSS 4.0

2.0CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

CVSS 3.1

3.5CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-26)

CWEs

CWE-79, CWE-94

Published

2026-04-30

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

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

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