Priority CRITICAL 99KEV
cPanel and WHM versions after 11.40 contain an authentication bypass vulnerability in the login flow that allows unauthenticated remote attackers to gain unauthorized access to the control panel.
CVSS 4.0CRITICAL 9.3· Network · No auth · No interaction · EPSS 0.98527 · Published 2026-04-29 · Fixed in 11.86.0.41, 11.94.0.28 +10 CWE-306
Priority HIGH 73
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· Network · Low privileges · No interaction · EPSS 0.00875 · Published 2026-09-01 · Fixed in 11.110.0.141, 11.134.0.53 +3 CWE-95
Priority HIGH 68
The "Allow cPanel users to reset their password via email" feature in cPanel 9.1.0 build 34 and earlier, including 8.x, allows remote attackers to execute arbitrary code via the user parameter to resetpass.
CVSS 2.0HIGH 10.0· Network · No auth · Interaction — · EPSS 0.34833 · Published 2005-03-10 · No fix listed
Priority HIGH 65
An issue was discovered in cPanel before 11.109.9999.116.
CVSS 3.1MEDIUM 6.1· Network · No auth · User interaction · EPSS 0.65533 · Published 2023-04-27 · No fix listed CWE-79
Priority MEDIUM 56
guestbook.cgi in cPanel 5.0 allows remote attackers to execute arbitrary commands via the template parameter.
CVSS 2.0HIGH 10.0· Network · No auth · Interaction — · EPSS 0.11483 · Published 2007-10-20 · No fix listed CWE-20
Priority MEDIUM 55
The login page for cPanel 9.1.0, and possibly other versions, allows remote attackers to execute arbitrary code via shell metacharacters in the user parameter.
CVSS 2.0HIGH 10.0· Network · No auth · Interaction — · EPSS 0.10222 · Published 2005-03-10 · No fix listed
Priority MEDIUM 54
Incorrect privileges management and insufficient path filtering allow to read arbitrary file on the server via the cpdavd attachment download endpoints.
CVSS 3.1HIGH 8.6· Network · No auth · No interaction · EPSS 0.08373 · Published 2026-05-13 · Fixed in 11.136.0.10, 11.134.0.26 +5 CWE-250
Priority MEDIUM 48
cPanel before 88.0.3 mishandles the Exim filter path, leading to remote code execution (SEC-485).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.03005 · Published 2020-09-25 · No fix listed
Priority MEDIUM 47
cPanel before 88.0.13 mishandles file-extension dispatching, leading to code execution (SEC-488).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02475 · Published 2020-09-25 · No fix listed
Priority MEDIUM 47
cPanel before 76.0.8 allows remote attackers to execute arbitrary code via mailing-list attachments (SEC-452).
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02314 · Published 2019-07-30 · No fix listed CWE-20
Priority MEDIUM 47
cPanel before 11.54.0.0 allows unauthenticated arbitrary code execution via DNS NS entry poisoning (SEC-64).
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02502 · Published 2019-08-01 · No fix listed CWE-20
Priority MEDIUM 47
cPanel before 11.54.0.4 allows unauthenticated arbitrary code execution via cpsrvd (SEC-91).
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02576 · Published 2019-08-01 · No fix listed CWE-20
Priority MEDIUM 47
cPanel before 55.9999.141 allows unauthenticated arbitrary code execution via DNS NS entry poisoning (SEC-90).
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02502 · Published 2019-08-01 · No fix listed CWE-20
Priority MEDIUM 47
Unspecified vulnerability in cPanel before 10.9.0 12 Tree allows remote authenticated users to gain privileges via unspecified vectors in (1) mysqladmin and (2) hooksadmin.
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.04048 · Published 2006-09-27 · No fix listed CWE-276
Priority MEDIUM 47
Multiple cross-site scripting (XSS) vulnerabilities in cPanel 9.1.0-R85 allow remote attackers to inject arbitrary web script or HTML via the (1) email parameter to testfile.html, (2) file parameter to erredit.html, (3)…
CVSS 2.0HIGH 9.3· Network · No auth · Interaction — · EPSS 0.0456 · Published 2005-05-10 · No fix listed CWE-79
Priority MEDIUM 46
cPanel before 84.0.20 allows a demo account to achieve code execution via PassengerApps APIs (SEC-546).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01807 · Published 2020-03-17 · No fix listed
Priority MEDIUM 46
cPanel before 84.0.20 allows a demo account to achieve remote code execution via a cpsrvd rsync shell (SEC-544).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02232 · Published 2020-03-17 · No fix listed
Priority MEDIUM 45
In cPanel before 88.0.3, insecure chkservd test credentials are used on a templated VM (SEC-554).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01419 · Published 2020-09-25 · No fix listed CWE-287
Priority MEDIUM 45
In cPanel before 88.0.3, insecure RNDC credentials are used for BIND on a templated VM (SEC-549).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01419 · Published 2020-09-25 · No fix listed CWE-287
Priority MEDIUM 45
chsh in cPanel before 88.0.3 allows a Jailshell escape (SEC-497).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01611 · Published 2020-09-25 · No fix listed
Priority MEDIUM 45
cPanel before 82.0.18 allows WebDAV authentication bypass because the connection-sharing logic is incorrect (SEC-534).
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01597 · Published 2020-03-17 · No fix listed
Priority MEDIUM 45
cPanel before 57.9999.54 allows SQL Injection via the ModSecurity TailWatch log file (SEC-123).
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.01635 · Published 2019-08-01 · No fix listed CWE-89
Priority MEDIUM 44
cPanel before 74.0.0 allows SQL injection during database backups (SEC-420).
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.0106 · Published 2019-08-01 · No fix listed CWE-89
Priority MEDIUM 44
scripts/wwwacct in cPanel 11.18.6 STABLE and earlier and 11.23.1 CURRENT and earlier allows remote authenticated users with reseller privileges to execute arbitrary code via shell metacharacters in the Email address fiel…
CVSS 2.0HIGH 8.5· Network · Low privileges · Interaction — · EPSS 0.04213 · Published 2008-05-28 · No fix listed CWE-94
Priority MEDIUM 43
cPanel before 55.9999.141 allows arbitrary code execution because of an unsafe @INC path (SEC-97).
CVSS 3.0HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.02618 · Published 2019-08-01 · No fix listed CWE-22
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