CVE-2021-45071Network attack vector

Script execution via unsanitized uploaded filenames

Published Apr 25, 2023 · Updated Aug 4, 2024

Cross-site scripting in Odoo Community and Enterprise 15.0 and earlier allows remote attackers to run script via uploaded filenames. FieldBinaryFile._renderReadonly appended filename_value to a link as an HTML string instead of assigning it as text. Reachability depends on an installed module exposing the binary field widget and a victim rendering the field, enabling data capture or actions with the victim's privileges.

CVSS severity6.1
Medium
EPSS probability0.66%
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 Odoo Community and Enterprise 15.0 and earlier allows remote attackers to run script via uploaded filenames. FieldBinaryFile._renderReadonly appended filename_value to a link as an HTML string instead of assigning it as text. Reachability depends on an installed module exposing the binary field widget and a victim rendering the field, enabling data capture or actions with the victim's privileges.

The record

CVE
CVE-2021-45071
Published
Apr 25, 2023
Updated
Aug 4, 2024
Vendor
Odoo
Product
Odoo Community
Classifications
CWE-79
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 25, 2023CVE 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?

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

  1. Affected versionversion=0 <=15.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Odoo · Odoo Communityversion=0 <=15.0
Odoo · Odoo Enterpriseversion=0 <=15.0

Published CVSS scores

6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.3OdooCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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