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Medium · 6.1 Scanner template CVE-2022-22242 EUVD-2022-27389GHSA-qq74-54g4-qw47

Junos OS: Cross-site Scripting (XSS) vulnerability in J-Web

Published Oct 18, 2022 · Updated May 9, 2025 · Assigned by juniper

Description

A Cross-site Scripting (XSS) vulnerability in the J-Web component of Juniper Networks Junos OS allows an unauthenticated attacker to run malicious scripts reflected off of J-Web to the victim's browser in the context of their session within J-Web. This issue affects Juniper Networks Junos OS all versions prior to 19.1R3-S9; 19.2 versions prior to 19.2R3-S6; 19.3 versions prior to 19.3R3-S7; 19.4 versions prior to 19.4R2-S7, 19.4R3-S8; 20.1 versions prior to 20.1R3-S5; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S1; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R2; 22.1 versions prior to 22.1R2.

Affected products

VendorProductAffectedFixed
Juniper Networks Junos OS unspecified – < 19.1R3-S9, 19.2 – < 19.2R3-S6, 19.3 – < 19.3R3-S7, 19.4 – < 19.4R2-S7, 19.4R3-S8, 20.1 – < 20.1R3-S5, 20.2 – < 20.2R3-S5, 20.3 – < 20.3R3-S5, 20.4 – < 20.4R3-S4, 21.1 – < 21.1R3-S4, 21.2 – < 21.2R3-S1, 21.3 – < 21.3R3, 21.4 – < 21.4R2, 22.1 – < 22.1R2 19.1R3-S9

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.

References