CVE-2025-25084Network attack vector

Authenticated stored script execution

Published Mar 3, 2025 · Updated Apr 29, 2026

Stored cross-site scripting in UniTimetable 1.1 and earlier allows remote authenticated users to execute script in another user's browser. The published sources do not identify the affected input, storage path, rendering function, or missing neutralization operation. Exploitation requires low-privileged authentication and a separate user to render the stored payload, which then runs in that user's browser context.

CVSS severity6.5
Medium
EPSS probability0.36%
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 UniTimetable 1.1 and earlier allows remote authenticated users to execute script in another user's browser. The published sources do not identify the affected input, storage path, rendering function, or missing neutralization operation. Exploitation requires low-privileged authentication and a separate user to render the stored payload, which then runs in that user's browser context.

The record

CVE
CVE-2025-25084
Published
Mar 3, 2025
Updated
Apr 29, 2026
Vendor
Antonis Roussos
Product
UniTimetable
Classifications
CWE-79, CAPEC-592, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 3, 2025CVE publishedPublication date reported by the CVE source.
  2. Apr 29, 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 <=1.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Antonis Roussos · UniTimetableversion=0 <=1.1

Published CVSS scores

6.5PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

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

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

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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