XSS in Aapanel
CVE-2026-29859
An arbitrary file upload vulnerability in aaPanel v7.57.0 allows attackers to execute arbitrary code via uploading a crafted file.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.005 (40.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Aapanel — versions 7.57.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Product)
- cve@mitre.org (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2026-29859?
- CVE-2026-29859 is a critical-severity vulnerability in Aapanel, classified under Cross-site Scripting. CVSS score: 9.8/10. Published 2026-03-18.
- How severe is CVE-2026-29859?
- Critical severity. CVSS v3 base score is 9.8 out of 10.