RCE in Linkstackorg Linkstack
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 sc…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (2.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Linkstackorg Linkstack — versions 4.8.0, 4.8.1, 4.8.2
Weakness classification (CWE)
References
- VDB-360311 | LinkStackOrg LinkStack UserController.php editPage cross site scripting (technical-description, vdb-entry)
- VDB-360311 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #801651 | LinkStackOrg LinkStack 4.8.6 Improper Neutralization of Alternate XSS Syntax (third-party-advisory)
- cna@vuldb.com (issue-tracking, patch)
- cna@vuldb.com (exploit)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-7501?
- CVE-2026-7501 is a low-severity vulnerability in Linkstackorg Linkstack, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-04-30.
- How severe is CVE-2026-7501?
- Low severity. CVSS v3 base score is 3.5 out of 10.