Medium [CVE-2026-21904] 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 medium-severity Juniper Networks advisory covers CVE-2026-21904 affecting Junos Space, Junos.
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Summary
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.
- before 24.1R5
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 24.1R5
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- This issue affects all versions of Junos Space before 24.1R5 Patch V3.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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