CVE-2020-13240Network attack vector

Stored XSS via unsafe file extension rename

Published May 20, 2020 · Updated Aug 4, 2024

Cross-site scripting in Dolibarr 11.0.4 allows remote authenticated users to execute script in a victim browser via uploaded-file renaming. The DMS/ECM module lets users holding the Setup documents directories permission rename uploaded files to executable extensions, bypassing the .noexe safeguard. Exploitation requires that permission and a victim to open the resulting file or page; impact is browser-side script execution and associated data access.

CVSS severity5.4
Medium
EPSS probability0.70%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Dolibarr 11.0.4 allows remote authenticated users to execute script in a victim browser via uploaded-file renaming. The DMS/ECM module lets users holding the Setup documents directories permission rename uploaded files to executable extensions, bypassing the .noexe safeguard. Exploitation requires that permission and a victim to open the resulting file or page; impact is browser-side script execution and associated data access.

The record

CVE
CVE-2020-13240
Published
May 20, 2020
Updated
Aug 4, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-276, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 20, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 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?

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

5.4NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-276Incorrect Default Permissions
T1189Drive-by Compromise

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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