What is the CVSS score of CVE-2026-25616?

CVE-2026-25616 has a CVSS 3.1 base score of 4.7 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Blesta are affected by CVE-2026-25616?

CVE-2026-25616 presents moderate security risk, a cross-site scripting vulnerability rated CVSS 4.7. Attackers could inject scripts to steal sessions or perform actions as authenticated users.

Is there a public PoC exploit available for CVE-2026-25616?

Yes, a public proof-of-concept exploit is available for CVE-2026-25616. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-25616?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Blesta CVE-2026-25616

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2026-02-03 cve@mitre.org

XSS Blesta

4.7

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.7 MEDIUM

AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Feb 03, 2026 - 20:15 nvd

MEDIUM 4.7

DescriptionCVE.org

Blesta 3.x through 5.x before 5.13.3 mishandles input validation, aka CORE-5665.

AnalysisAI

Blesta 3.x through 5.x before 5.13.3 mishandles input validation, aka CORE-5665. [CVSS 4.7 MEDIUM]

Technical ContextAI

Classified as CWE-79 (Cross-site Scripting (XSS)). Affects Blesta. Blesta 3.x through 5.x before 5.13.3 mishandles input validation, aka CORE-5665.

RemediationAI

Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.