CVE-2020-36627Public exploitNetwork attack vector

Open redirect via uncleaned request URI

Published Dec 25, 2022 · Updated Aug 4, 2024

Open redirect in Macaron i18n before 0.5.0 allows remote attackers to send users to an attacker-controlled site through a crafted URL. When Redirect is enabled, the I18n handler passes the request URI to ctx.Redirect without cleaning a scheme-relative path beginning with two slashes. Exploitation requires a user to follow the crafted link, after which the redirect exposes the user to attacker-controlled content.

CVSS severity6.1
Medium
EPSS probability0.59%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Open redirect in Macaron i18n before 0.5.0 allows remote attackers to send users to an attacker-controlled site through a crafted URL. When Redirect is enabled, the I18n handler passes the request URI to ctx.Redirect without cleaning a scheme-relative path beginning with two slashes. Exploitation requires a user to follow the crafted link, after which the redirect exposes the user to attacker-controlled content.

The record

CVE
CVE-2020-36627
Published
Dec 25, 2022
Updated
Aug 4, 2024
Vendor
Macaron
Product
i18n
Classifications
CWE-601, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 25, 2022CVE 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=n/a

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Macaron · i18nversion=n/a

Published CVSS scores

5.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-601URL Redirection to Untrusted Site ('Open Redirect')
T1204.001User Execution: Malicious Link

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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