CVE-2026-73031: telegram-search Stored XSS via v-html in MessageList.vue
telegram-search contains a stored cross-site scripting vulnerability that allows remote attackers to execute arbitrary JavaScript in victims' browsers by sending crafted messages containing unsanitized HTML to a shared Telegram group. The highlightKeyword function in MessageList.vue passes raw message content directly to v-html without HTML escaping or sanitization, enabling stored, cross-user, zero-click execution of injected payloads such as image onerror handlers when victims browse or search messages.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-73031?
The severity of CVE-2026-73031 is classified as high with a CVSS score of 8.7.
How do I fix CVE-2026-73031?
To fix CVE-2026-73031, sanitize all HTML input in the highlightKeyword function to prevent execution of arbitrary JavaScript.
What kind of vulnerability is CVE-2026-73031?
CVE-2026-73031 is a stored cross-site scripting (XSS) vulnerability.
Who is affected by CVE-2026-73031?
Users of the telegram-search software who are part of shared Telegram groups that receive crafted messages are affected by CVE-2026-73031.
What can attackers do with CVE-2026-73031?
Attackers can execute arbitrary JavaScript in victims' browsers by sending crafted messages containing unsanitized HTML.