RCE in Maxsite Cms
CVE-2026-7015
A vulnerability has been found in MaxSite CMS up to 109.3. This issue affects some unknown processing of the component Guestbook Plugin. Such manipulation of the argument f_text/f_slug/f_limit/f_email leads to cross site scripting. The att…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (12.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Maxsite Cms — versions 109.0, 109.1, 109.2
Weakness classification (CWE)
References
- VDB-359595 | MaxSite CMS Guestbook Plugin cross site scripting (technical-description, vdb-entry)
- VDB-359595 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #796740 | MaxSite CMS 109.3 Cross Site Scripting (third-party-advisory)
- cna@vuldb.com (exploit)
- cna@vuldb.com (patch)
- cna@vuldb.com (patch)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-7015?
- CVE-2026-7015 is a low-severity vulnerability in Maxsite Cms, classified under Cross-site Scripting. CVSS score: 2.4/10. Published 2026-04-26.
- How severe is CVE-2026-7015?
- Low severity. CVSS v3 base score is 2.4 out of 10.