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CVE-2026-16073— AstrBotDevs AstrBot T2I Feature base.py NetworkRenderStrategy.render cross site scripting

Quick assessment

Affected
AstrBotDevs AstrBot
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

AstrBot是AstrBot团队开源的一个多平台 LLM 聊天机器人及开发框架。 AstrBot 4.25.2及之前版本存在安全漏洞，该漏洞源于component T2I Feature中文件astrbot/core/star/base.py的函数Star.text_to_image/NetworkRenderStrategy.render操作，可能导致跨站脚本攻击。

CVSS 3.5 · Low EPSS 0.33% · P24

Affected Version Matrix 3

VendorProduct Version RangeStatus
AstrBotDevs AstrBot 4.25.0 affected
4.25.1 affected
4.25.2 affected
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I. Basic Information for CVE-2026-16073

Vulnerability Information
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Vulnerability Title
AstrBotDevs AstrBot T2I Feature base.py NetworkRenderStrategy.render cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in AstrBotDevs AstrBot up to 4.25.2. Affected by this issue is the function Star.text_to_image/NetworkRenderStrategy.render of the file astrbot/core/star/base.py of the component T2I Feature. The manipulation leads to cross site scripting. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
AstrBot 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AstrBot是AstrBot团队开源的一个多平台 LLM 聊天机器人及开发框架。 AstrBot 4.25.2及之前版本存在安全漏洞，该漏洞源于component T2I Feature中文件astrbot/core/star/base.py的函数Star.text_to_image/NetworkRenderStrategy.render操作，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
AstrBotDevs AstrBot 4.25.0 cpe:2.3:a:astrbot:astrbot:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-16073

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III. Intelligence Information for CVE-2026-16073

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Proof of Concept for CVE-2026-16073 (1)

IV. Related Vulnerabilities

Same product: AstrBot
Same vendor: AstrBotDevs
Same weakness: CWE-79

V. Comments for CVE-2026-16073

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