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TI-2026-20723 Aliases CVE-2026-25616GHSA-3q94-vm9h-5h6v

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

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0042 36th percentileScored 2026-11-07
Fix Fixed Blesta (Blesta): 5.13.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
BlestaBlesta3.0.0 to before 5.13.35.13.3Patch availableCNA
  • Blesta VendorBlesta Affected 3.0.0 to before 5.13.3 Fixed in 5.13.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:phillipsdata:blesta:*:*:*:*:*:*:*:*3.2.0 to before 5.13.2VulnerableBlesta
  • cpe:2.3:a:phillipsdata:blesta:*:*:*:*:*:*:*:* Versions 3.2.0 to before 5.13.2 Vulnerable ·Blesta

Remediation

  • Fix · CNA Blesta (Blesta) Fixed in 5.13.3

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Blesta 5.13.3

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-20721 Blesta 3.x through 5.x before 5.13.3 allows object injection, aka CORE-5680.Priority LOW 35
    • TI-2026-20722 Blesta 3.x through 5.x before 5.13.3 allows object injection, aka CORE-5668.Priority LOW 34
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-25616
  2. 2026-10-03 Alias added: GHSA-3q94-vm9h-5h6v

References

Advisory 2

  • TI-2024-16981 A path traversal vulnerability in the /path/to/uploads/ directory of Blesta before v5.9.2… CVSS 3.1HIGH 7.1
  • TI-2026-20721 Blesta 3.x through 5.x before 5.13.3 allows object injection, aka CORE-5680. CVSS 3.1HIGH 7.5
  • TI-2026-20722 Blesta 3.x through 5.x before 5.13.3 allows object injection, aka CORE-5668. CVSS 3.1HIGH 7.2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences