CVE-2025-47948 is a high-severity (CVSS 7.2) CWE-74 vulnerability in cocotais-bot. A fix is available for cocotais-bot — see the affected versions and patch details below.
Cocotais Bot has builtin .echo command injection
Exploitation Status
Proof-of-concept exploit code exists
- CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.
- CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
Exploitation and automatability from CISA’s SSVC triage for CVE-2025-47948.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
Where this sits among everything scored
Real-World Exposure
How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.
cocotais-botnpmDescription
Summary
A command echoing feature in the framework allows users to indirectly trigger privileged behavior by injecting special platform tags. Specifically, an unauthorized user can use the /echo <qqbot-at-everyone /> command to cause the bot to send a message that mentions all members in the chat, bypassing any permission controls. This can lead to spam, disruption, or abuse of notification systems.
Details
The framework provides a command /echo that causes the bot to repeat any user-provided message verbatim in the group chat. However, the bot fails to sanitize or filter platform-specific control elements such as <qqbot-at-everyone />, which, when included in a message, mentions everyone (i.e., @全体成员). While normal users are forbidden from using this tag in normal chats, the bot, which has higher privileges, is allowed to do so.
Since the /echo command blindly echoes any content, a user can exploit this by sending:
/echo <qqbot-at-everyone />
The bot will then send a message containing <qqbot-at-everyone />, causing the platform to interpret it as an @全体成员 command, effectively allowing an unauthorized user to @everyone via the bot.
PoC
- Set up a chatbot using the affected framework.
- Join the chat that includes the bot as a regular user with no permission to use @全体成员.
- Send the following message in the chat:
/echo <qqbot-at-everyone />
- The bot will respond by repeating the message, and the platform will interpret
<qqbot-at-everyone />as an @全体成员 mention. - All the chat members receive a notification, despite the user lacking that permission.
Affected Packages
| Ecosystem | Package | Vulnerable range | Fix |
|---|---|---|---|
| 📦npm | cocotais-bot | ≥ 1.5.0-test2-hotfix&&< 1.6.2 | 1.6.2npm install cocotais-bot@1.6.2 |
Detection & mitigation playbook
Open-source dependencyDetect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for cocotais-bot, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update cocotais-bot to 1.6.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2025-47948 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
Frequently Asked Questions
Is CVE-2025-47948 in your dependencies?
Find it across npm, including transitive dependencies.