CVE-2026-37700: MaxSite CMS v · Cross-site Scripting
Source CVE Database V5
Not known to be exploited · CVSS 4.1 Medium.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 3 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
Until an official fix is released, restrict access to the backend file upload endpoint and monitor for suspicious activity involving admin_page. Avoid executing untrusted scripts in the affected interface.
Description
Cross Site Scripting vulnerability in MaxSite CMS v.109.2 allows a remote attacker to obtain sensitive information via the Backend page file upload endpoint used by admin_page