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TI-2021-13263 Aliases CVE-2021-34076GHSA-3jjm-rj9f-57mr

File Upload vulnerability in PHPOK 5.7.140 allows remote attackers to run arbitrary code…

Priority HIGH 73CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
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-434.

Summary

File Upload vulnerability in PHPOK 5.7.140 allows remote attackers to run arbitrary code and gain escalated privileges via crafted zip file upload.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00865 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:phpok:phpok:5.7.140:*:*:*:*:*:*:*5.7.140VulnerablePHPOK
  • cpe:2.3:a:phpok:phpok:5.7.140:*:*:*:*:*:*:* Versions 5.7.140 Vulnerable ·PHPOK

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-34076
  2. 2026-10-03 Alias added: GHSA-3jjm-rj9f-57mr

References

Exploit 1

  • TI-2022-19467 Phpok 6.1 has a deserialization vulnerability via framework/phpok_call.php. CVSS 3.1CRITICAL 9.8
  • TI-2023-16596 An arbitrary file upload vulnerability in /admin.php?c=upload of phpok v6.4.100 allows… CVSS 3.1HIGH 8.8
  • TI-2024-30027 phpok v3.0 was discovered to contain an arbitrary file read vulnerability via the component /autoload/file.php. CVSS 3.1HIGH 7.5
  • TI-2020-14064 SQL injection vulnerability in PHPOK v.5.4. CVSS 3.1HIGH 7.5
  • TI-2023-02707 PHPOK unrestricted upload CVSS 3.1HIGH 8.8
  • TI-2023-14056 phpok 6.4.003 is vulnerable to SQL injection in the function index_f() in phpok64/framework/api/call_control.php. CVSS 3.1MEDIUM 6.5
See all 20 →

Sources

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