CVE-2024-3138Public exploitNetwork attack vector

Stored script execution via malicious PDF upload

Published Apr 1, 2024 · Updated Aug 23, 2024

Stored cross-site scripting in RosarioSIS 11.5.1 allows remote authenticated users to inject script through a malicious PDF portal note. The Add Portal Note workflow stores a PDF without stripping embedded JavaScript, then serves the file for another user to open. An authenticated user must upload the file and another user must open it; the vendor disputes security impact because the browser's PDF sandbox should isolate website data.

CVSS severity3.5
Low
EPSS probability0.47%
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 RosarioSIS 11.5.1 allows remote authenticated users to inject script through a malicious PDF portal note. The Add Portal Note workflow stores a PDF without stripping embedded JavaScript, then serves the file for another user to open. An authenticated user must upload the file and another user must open it; the vendor disputes security impact because the browser's PDF sandbox should isolate website data.

The record

CVE
CVE-2024-3138
Published
Apr 1, 2024
Updated
Aug 23, 2024
Vendor
François Jacquet
Product
RosarioSIS
Classifications
CWE-79, T1204.002
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 1, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 23, 2024Record 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=11.5.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

François Jacquet · RosarioSISversion=11.5.1

Published CVSS scores

3.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
4.0VulDBAV:N/AC:L/Au:S/C:N/I:P/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.002User Execution: Malicious File

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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