cPanel before 71.9980.37 allows stored XSS in the YUM autorepair functionality (SEC-399).

published 2019-08-01 7y ago modified 2026-06-17 4mo ago also EUVD-2018-13438

cvss: 6.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

Patch / fix

fixed in 1

cpanel cpanel 62.0.47, 68.0.39, 70.0.43

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Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

news.cpanel.com /cpanel-tsr-2018-0003-full-disclosure/
vendor-advisory
documentation.cpanel.net /display/CL/72+Change+Log
product, release-notes

Sources

CVE List CVE-2018-20900
NVD CVE-2018-20900

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