Junos OS: Stored Cross-Site Scripting (XSS) vulnerability in captive portal

Summary

A persistent cross-site scripting (XSS) vulnerability in the captive portal graphical user interface of Juniper Networks Junos OS may allow a remote authenticated user to inject web script or HTML and steal sensitive data and credentials from a web administration session, possibly tricking a follow-on administrative user to perform administrative actions on the device. This issue affects Juniper Networks Junos OS: All versions, including the following supported releases: 12.3X48 versions prior to 12.3X48-D105; 15.1X49 versions prior to 15.1X49-D220; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S7; 19.2 versions prior to 19.2R3-S3; 19.3 versions prior to 19.3R3-S4; 19.4 versions prior to 19.4R3-S6; 20.1 versions prior to 20.1R3; 20.2 versions prior to 20.2R1-S1, 20.2R2; 20.3 versions prior to 20.3R2; 20.4 versions prior to 20.4R2; 21.1 versions prior to 21.1R2.

Timeline

1. Oct 19, 2021, 6:16 PM UTCCVE published
2. Sep 17, 2024, 12:42 AM UTCRecord last updated

Affected versions

• Juniper Networks Junos OS

  From 12.3X48 · fixed in 12.3X48-D105; From 15.1X49 · fixed in 15.1X49-D220; From 18.3 · fixed in 18.3R3-S5; From 18.4 · fixed in 18.4R3-S9; From 19.1 · fixed in 19.1R3-S7; From 19.2 · fixed in 19.2R3-S3; From 19.3 · fixed in 19.3R3-S4; From 19.4 · fixed in 19.4R3-S6; From 20.1 · fixed in 20.1R3; From 20.3 · fixed in 20.3R2; From 20.4 · fixed in 20.4R2; From 21.1 · fixed in 21.1R2

References 1