CVE-2025-57205Public exploitNetwork attack vector

Cross-user JavaScript execution via unencoded editor content

Published Sep 22, 2025 · Updated Sep 24, 2025

Stored XSS in iNiLabs School Express 6.2 allows remote authenticated users to execute JavaScript in other users' browsers. The Posts, Notice, and Pages editors store unfiltered HTML/JavaScript from POST parameters and render it without output encoding. Administrative content-editor access and a victim viewing the saved content are required, exposing the victim's session and in-browser data to the script.

CVSS severity5.4
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in iNiLabs School Express 6.2 allows remote authenticated users to execute JavaScript in other users' browsers. The Posts, Notice, and Pages editors store unfiltered HTML/JavaScript from POST parameters and render it without output encoding. Administrative content-editor access and a victim viewing the saved content are required, exposing the victim's session and in-browser data to the script.

The record

CVE
CVE-2025-57205
Published
Sep 22, 2025
Updated
Sep 24, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 22, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:R/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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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