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CVE-2017-18417

cPanel before 66.0.2 allows stored XSS during WHM cPAddons installation (SEC-263).

5.4 Medium

cPanel before 66.0.2 allows stored XSS during WHM cPAddons installation (SEC-263).

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

0.53%Up 0.1 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.4

cPanel before 66.0.2 allows stored XSS during WHM cPAddons installation (SEC-263).

Record
CVE-2017-18417
CVSS 3.0
5.4 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE List No score

cPanel before 66.0.2 allows stored XSS during WHM cPAddons installation (SEC-263).

Record
CVE-2017-18417
Updated
2026-11-02
EUVDEUVD-2017-9533 No score

cPanel before 66.0.2 allows stored XSS during WHM cPAddons installation (SEC-263).

Record
EUVD-2017-9533
Updated
2026-11-03
GitHub AdvisoriesGHSA-2hx9-6g7v-6xm4 5.4

cPanel before 66.0.2 allows stored XSS during WHM cPAddons installation (SEC-263).

cPanel before 66.0.2 allows stored XSS during WHM cPAddons installation (SEC-263).

Record
GHSA-2hx9-6g7v-6xm4
CVSS 3.0
5.4 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-18417 is a medium vulnerability (CVSS 5.4) in Cpanel, published August 2, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 45th percentile. No source names a fixed version.

References

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