CVE-2018-20903

Name: CVE-2018-20903
Creator: NVD / NIST
Published: 2019-08-01T15:15:13.107+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.65%

Last modified Jun 17, 2026

CVE-2018-20903 is a vulnerability of currently unknown severity. cPanel before 71.9980.37 allows self XSS in the WHM Backup Configuration interface (SEC-421).. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

cPanel before 71.9980.37 allows self XSS in the WHM Backup Configuration interface (SEC-421).

Metrics

EPSS Probability

0.65%

46.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Cpanel	Cpanel	< 71.9980.37

References

https://documentation.cpanel.net/display/CL/72+Change+LogRelease Notes, Vendor Advisory
https://documentation.cpanel.net/display/CL/72+Change+LogRelease Notes, Vendor Advisory

Timeline

Published: Aug 1, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20903?

cPanel before 71.9980.37 allows self XSS in the WHM Backup Configuration interface (SEC-421).

How severe is CVE-2018-20903?

Severity scoring for CVE-2018-20903 is pending analysis. The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20903?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20903?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST