VMware Horizon Server (7.x prior to 7.10.3 or 7.13.0) contains a Cross Site Scripting (XSS) vulnerability.

published 2020-10-23 6y ago modified 2026-06-17 4mo ago also EUVD-2020-25262

cvss: 5.4; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

VMware Horizon Server (7.x prior to 7.10.3 or 7.13.0) contains a Cross Site Scripting (XSS) vulnerability. Successful exploitation of this issue may allow an attacker to inject malicious script which will be executed.

Patch / fix

fixed in 1 links 1

vmware horizon 7.10.3, 7.13.0

vmware.com/security/advisories/VMSA-2020-0024.html advisory

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Exploit prediction

0.67% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	3.5	AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

n/a VMware Horizon Server

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

VMware rss critical rss

References

vmware.com /security/advisories/VMSA-2020-0024.html
patch, vendor-advisory

Sources

CVE List CVE-2020-3997
NVD CVE-2020-3997

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