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TI-2021-09033 Aliases CVE-2021-27581GHSA-xjcj-m8p7-67rr

The Blog module in Kentico CMS 5.5 R2 build 5.5.3996 allows SQL injection via the tagname parameter.

Priority MEDIUM 45CWE-89Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
SQL injection
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-89.

Summary

The Blog module in Kentico CMS 5.5 R2 build 5.5.3996 allows SQL injection via the tagname parameter.

Why it matters now

EPSS 0.0169 77th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:kentico:kentico_cms:5.5:r2:build_5.5.3996:*:*:*:*:*5.5 r2VulnerableKentico
  • cpe:2.3:a:kentico:kentico_cms:5.5:r2:build_5.5.3996:*:*:*:*:* Versions 5.5 r2 Vulnerable ·Kentico

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27581
  2. 2026-10-03 Alias added: GHSA-xjcj-m8p7-67rr

References

Advisory 3

  • TI-2015-06498 Open redirect vulnerability in CMSPages/GetDocLink.ashx in Kentico CMS 8.2 through 8.2.41… CVSS 2.0MEDIUM 5.8
  • TI-2015-06497 Multiple cross-site scripting (XSS) vulnerabilities in Kentico CMS 8.2 allow remote… CVSS 2.0MEDIUM 5.0

Sources

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