CVE-2026-73031

Summary

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

Weaknesses

• CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

• https://github.com/GramSearch/telegram-search
• https://github.com/GramSearch/telegram-search/issues/653
• https://github.com/groupultra/telegram-search/commit/54f6adced844ce9990228d75e31348bfed934e05
• https://github.com/GramSearch/telegram-search/pull/654
• https://www.vulncheck.com/advisories/telegram-search-stored-xss-via-v-html-in-messagelist-vue

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