Exploitation Summary
CVE-2026-25616 has a Nuclei detection template available — see the Nuclei card below for the Shodan/FOFA recon queries.
Description
Blesta 3.x through 5.x before 5.13.3 mishandles input validation, aka CORE-5665.
Nuclei Templates (1)
Blesta <= 5.13.1 - Cross-Site Scripting
MEDIUMVERIFIEDby 0x_Akoko
Shodan:
http.title:"Blesta"
FOFA:
app="Blesta"
References (2)
Core 2
Core References
Various Sources
https://www.blesta.com/2026/01/28/security-advisory/
Mailing List
http://seclists.org/fulldisclosure/2026/Feb/0
Scores
CVSS v3
4.7
EPSS
0.0282
EPSS Percentile
86.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (1)
phillipsdata/blesta
3.2.0 - 5.13.2
Published
Feb 03, 2026
Tracked Since
Feb 18, 2026