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Medium severity6.1NVD Advisory· Published Apr 9, 2026· Updated Jul 8, 2026

CVE-2026-21904

CVE-2026-21904

Description

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Juniper Networks Junos Space allows an attacker to inject script tags in the

list filter field that, when visited by another user, enables the attacker to execute commands with the target's permissions, including an administrator.

This issue affects all versions of Junos Space before 24.1R5 Patch V3.

Affected products

68
  • Juniper Networks/Junos Space68 versions
    cpe:2.3:a:juniper:junos_space:1.0:*:*:*:*:*:*:*+ 67 more
    • cpe:2.3:a:juniper:junos_space:1.0:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:1.1:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:1.2:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:1.3:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:1.4:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:11.1:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:11.2:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:11.3:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:11.4:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:12.1:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:12.2:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:12.3:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.1:-:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.1:r1.8:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.3:r1.1:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.3:r1.2:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.3:r1.3:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.3:r1.4:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.3:r1.5:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.3:r1.6:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.3:r1.7:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.3:r1.8:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.3:r1.9:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.3:r1:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.3:r2:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.3:r3:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:13.3:r4:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:14.1:-:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:14.1:r1:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:14.1:r2:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:14.1:r3:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:15.1:-:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:15.1:r2:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:15.1:r3:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:15.1:r4:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:15.2:-:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:15.2:r2:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:16.1:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:16.1:-:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:16.1:r1:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:16.1:r2:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:16.1:r3:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:16.1r3:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:17.1:-:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:17.1:r1:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:17.2:-:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:17.2:r1.4:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:18.1:-:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:18.1r1:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:18.2:-:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:18.3:-:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:18.4:-:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:19.1:-:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:2.0:*:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:20.3:r1:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:21.1:r1:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:21.2:r1:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:21.3:r1:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:22.1:r1:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:22.2:r1:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:22.3:r1:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:23.1:r1:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:24.1:r1:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:24.1:r2:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:24.1:r3:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:24.1:r4:*:*:*:*:*:*
    • cpe:2.3:a:juniper:junos_space:24.1:r5:*:*:*:*:*:*
    • (no CPE)range: <24.1R5 Patch V3

Patches

Vulnerability mechanics

References

1

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