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TI-2018-14839 Aliases CVE-2018-20877GHSA-3frx-qxqr-3j3r

cPanel before 74.0.8 allows self XSS in WHM Style Upload interface (SEC-437).

Priority LOW 25CWE-79Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

cPanel before 74.0.8 allows self XSS in WHM Style Upload interface (SEC-437).

Why it matters now

EPSS 0.00519 44th 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:cpanel:cpanel:*:*:*:*:*:*:*:*before 74.0.8VulnerableCpanel
  • cpe:2.3:a:cpanel:cpanel:*:*:*:*:*:*:*:* Versions before 74.0.8 Vulnerable ·Cpanel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-20877
  2. 2026-10-03 Alias added: GHSA-3frx-qxqr-3j3r

References

Other 1

  • TI-2026-30342 WebPros cPanel and WHM Authentication Bypass via Login Flow KEVCVSS 4.0CRITICAL 9.3
  • TI-2026-46792 Eval injection in cPanel 11.138.0.0 and earlier allows remote authenticated users to execute arbitrary code as root. CVSS 4.0HIGH 8.7
  • TI-2004-01645 The "Allow cPanel users to reset their password via email" feature in cPanel 9.1.0 build… CVSS 2.0HIGH 10.0
  • TI-2023-13860 An issue was discovered in cPanel before 11.109.9999.116. CVSS 3.1MEDIUM 6.1
  • TI-2003-01325 guestbook.cgi in cPanel 5.0 allows remote attackers to execute arbitrary commands via the template parameter. CVSS 2.0HIGH 10.0
  • TI-2004-01646 The login page for cPanel 9.1.0, and possibly other versions, allows remote attackers to… CVSS 2.0HIGH 10.0
See all 419 →

Sources

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