Cross-Site Scripting Vulnerability in AstrBotDevs AstrBot Product
CVE-2026-16073

5.1MEDIUM

Key Information:

Vendor

Astrbotdevs

Status
Astrbot
Vendor
CVE Published:
17 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-16073?

A security vulnerability has been identified in the AstrBotDevs AstrBot application, specifically within the T2I Feature which utilizes the NetworkRenderStrategy. The flaw resides in the 'Star.text_to_image' function located in the 'astrbot/core/star/base.py' file. This vulnerability allows an attacker to execute cross-site scripting attacks remotely, potentially compromising user data and application integrity. The issue was made public after the vendor was notified but did not respond. Effective remediation strategies include updating to the latest version and implementing security measures to mitigate XSS risks.

Affected Version(s)

AstrBot 4.25.0

AstrBot 4.25.1

AstrBot 4.25.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-16073 - Proof of Concept

References

https://vuldb.com/vuln/379788
vdb-entrytechnical-description
https://vuldb.com/vuln/379788/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-16073
third-party-advisory

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Eric-d (VulDB User)
VulDB CNA Team
.