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CVE-2026-88020— Improper Neutralization of Input During Web Page Generation in OpenPLC Runtime v3

Quick assessment

Affected
Autonomy Logic OpenPLC Runtime
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.

Autonomy Logic OpenPLC 3 is susceptible to an improper neutralization of input during web page generation vulnerability when the web interface attempts to route the program based on a query string parameter with no encoding.

CVSS 6.1 · Medium
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I. Basic Information for CVE-2026-88020

Vulnerability Information

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Vulnerability Title
Improper Neutralization of Input During Web Page Generation in OpenPLC Runtime v3
Source: CVE Program / CVE List V5
Vulnerability Description
Autonomy Logic OpenPLC 3 is susceptible to an improper neutralization of input during web page generation vulnerability when the web interface attempts to route the program based on a query string parameter with no encoding.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Autonomy Logic OpenPLC Runtime 3 -

II. Public POCs for CVE-2026-88020

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III. Intelligence Information for CVE-2026-88020

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Other References for CVE-2026-88020 (2)

IV. Related Vulnerabilities

Same product: OpenPLC Runtime
Same vendor: Autonomy Logic
Same weakness: CWE-79

V. Comments for CVE-2026-88020

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