Vulnerability · Published Feb 3, 2026 · Assigned by mitre
CVE-2026-25616
Medium 4.7
In plain English
A medium-severity cross-site scripting in Blesta from Blesta. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei.
Severity (CVSS 3.1)4.7Medium
Exploit odds (30 days)0.4%top 63.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Nuclei
Official description
Blesta 3.x through 5.x before 5.13.3 mishandles input validation, aka CORE-5665.
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N