CVE-2026-25616 json
Blesta 3.x through 5.x before 5.13.3 mishandles input validation, aka CORE-5665.
published 2026-02-03 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-5174
- cvss
- 4.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 36%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
Blesta 3.x through 5.x before 5.13.3 mishandles input validation, aka CORE-5665.
Patch / fix
- Blesta Blesta 5.13.3
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 9 mo ago
Exploit prediction
0.42% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Blesta <= 5.13.1 - Cross-Site Scripting nuclei detection template
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Blesta Blesta
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
blesta.com
/2026/01/28/security-advisory/
vendor-advisory
-
seclists.org
/fulldisclosure/2026/Feb/0
mailing-list, third-party-advisory
Sources
- CVE List CVE-2026-25616
- NVD CVE-2026-25616
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.