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TI-2021-12833 Aliases CVE-2021-33387GHSA-fgww-cpj8-mmj9

Cross Site Scripting Vulnerability in MiniCMS v.1.10 allows attacker to execute arbitrary…

Priority HIGH 76CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

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

Summary

Cross Site Scripting Vulnerability in MiniCMS v.1.10 allows attacker to execute arbitrary code via a crafted get request.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00838 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

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

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:1234n:minicms:1.10:*:*:*:*:*:*:*1.10Vulnerablebg5sbk
  • cpe:2.3:a:1234n:minicms:1.10:*:*:*:*:*:*:* Versions 1.10 Vulnerable ·bg5sbk

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-33387
  2. 2026-10-03 Alias added: GHSA-fgww-cpj8-mmj9

References

Exploit 1

  • TI-2025-14099 bg5sbk MiniCMS Article post-edit.php improper authentication CVSS 4.0MEDIUM 6.9
  • TI-2025-14098 bg5sbk MiniCMS Trash File Restore post.php improper authentication CVSS 4.0MEDIUM 6.9
  • TI-2025-14097 bg5sbk MiniCMS Publish page-edit.php improper authentication CVSS 4.0MEDIUM 6.9
  • TI-2025-14096 bg5sbk MiniCMS File Recovery Request page.php delete_page improper authentication CVSS 4.0MEDIUM 6.9
  • TI-2024-08616 bg5sbk MiniCMS page-edit.php cross-site request forgery CVSS 4.0MEDIUM 6.9
  • TI-2024-08615 bg5sbk MiniCMS post-edit.php cross-site request forgery CVSS 4.0MEDIUM 6.9
See all 34 →

Sources

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