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TI-2018-14259 Aliases CVE-2018-20129GHSA-wg4c-wpq8-9vjx

An issue was discovered in DedeCMS V5.7 SP2.

Priority MEDIUM 49CWE-94Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-94.

Summary

An issue was discovered in DedeCMS V5.7 SP2. uploads/include/dialog/select_images_post.php allows remote attackers to upload and execute arbitrary PHP code via a double extension and a modified ".php" substring, in conjunction with the image/jpeg content type, as demonstrated by the filename=1.jpg.p*hp value.

Why it matters now

EPSS 0.08226 94th 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

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:dedecms:dedecms:5.7:sp2:*:*:*:*:*:*5.7 sp2VulnerableDedeCMS
  • cpe:2.3:a:dedecms:dedecms:5.7:sp2:*:*:*:*:*:* Versions 5.7 sp2 Vulnerable ·DedeCMS

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-20129
  2. 2026-10-03 Alias added: GHSA-wg4c-wpq8-9vjx

References

Exploit 1

  • TI-2026-23605 An issue in DedeCMS v.5.7.118 and before allows a remote attacker to execute arbitrary… CVSS 3.1CRITICAL 9.8
  • TI-2026-23594 An issue was discovered in DedeCMS 5.7.118 allowing attackers to execute code via crafted… CVSS 3.1CRITICAL 9.8
  • TI-2024-19496 DedeCMS v5.7 was discovered to contain a Cross-Site Request Forgery (CSRF) via the… CVSS 3.1CRITICAL 9.8
  • TI-2024-19491 A File Upload vulnerability in DedeCMS v5.7 allows a local attacker to execute arbitrary code via a crafted payload. CVSS 3.1CRITICAL 9.8
  • TI-2018-05549 DedeCMS 5.7 has CSRF with an impact of arbitrary code execution, because the partcode… CVSS 3.0HIGH 8.8
  • TI-2024-03438 DedeCMS stepselect_main.php sql injection CVSS 3.1CRITICAL 9.8
See all 164 →

Sources

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