CVE-2020-36954Public exploitNetwork attack vector

Browser script execution via stored category names

Published Jan 26, 2026 · Updated Jan 26, 2026

Stored cross-site scripting in Xerone IT Library Management System 3.1 allows remote authenticated users to execute JavaScript in browsers. The Book Category form stores the Category Name value and later renders it without neutralizing HTML event-handler markup. Administrator access is required to submit the payload, and execution occurs when the saved category view loads in a browser.

CVSS severity5.1
Medium
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in Xerone IT Library Management System 3.1 allows remote authenticated users to execute JavaScript in browsers. The Book Category form stores the Category Name value and later renders it without neutralizing HTML event-handler markup. Administrator access is required to submit the payload, and execution occurs when the saved category view loads in a browser.

The record

CVE
CVE-2020-36954
Published
Jan 26, 2026
Updated
Jan 26, 2026
Vendor
Xerone IT
Product
Library Management System
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 26, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 26, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=3.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Xerone IT · Library Management Systemversion=0 <=3.1

Published CVSS scores

5.1VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
6.4VulnCheckCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

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Technologies

Your stack

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Your stack

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