CVE-2026-49864

wetty provides terminal access in browser over http/https. Prior to version 3.0.4, the wetty client decodes a base64 filename from the file-download escape sequence and interpolates it raw into a Toastify HTML string escapeMarkup: false. Any output the victim renders - a cat'd file, a tailed log,...

CVE-2026-49864

CVE-2026-49864 (Wetty) is a DOM XSS in the Wetty client (prior to v3.0.4) triggered by a crafted file-download escape sequence that decodes a base64 filename and injects it into a Toastify HTML string without escaping. The attacker-controlled filename can lead to raw HTML/JS rendering in the vict...

CVE-2026-49864 wetty vulnerable to DOM XSS via file-download filename

wetty provides terminal access in browser over http/https. Prior to version 3.0.4, the wetty client decodes a base64 filename from the file-download escape sequence and interpolates it raw into a Toastify HTML string escapeMarkup: false. Any output the victim renders - a cat'd file, a tailed log,...

GHSA-P26J-H7WJ-R568 wetty vulnerable to DOM XSS via file-download filename

Summary The wetty client decodes a base64 filename from the file-download escape sequence and interpolates it raw into a Toastify HTML string escapeMarkup: false. Any output the victim renders - a cat'd file, a tailed log, an SSH MOTD, a curl response - that contains \x1b5i...:...\x1b4i runs scri...

wetty vulnerable to DOM XSS via file-download filename

Summary The wetty client decodes a base64 filename from the file-download escape sequence and interpolates it raw into a Toastify HTML string escapeMarkup: false. Any output the victim renders - a cat'd file, a tailed log, an SSH MOTD, a curl response - that contains \x1b5i...:...\x1b4i runs scri...

PT-2026-55212

Name of the Vulnerable Software and Affected Versions wetty versions prior to 3.0.4 Description The wetty client improperly handles file-download escape sequences by decoding a base64 filename and interpolating it directly into a Toastify HTML string without escaping. An attacker can deliver a...