CVE-2026-73671Public exploitNetwork attack vector

Unauthenticated user redirection via unchecked logout URL

Published Aug 13, 2026 · Updated Aug 13, 2026

Open redirect in Saurus CMS Community Edition through d886e5b allows remote attackers to redirect users via a crafted logout URL. The logout branch in classes/port.inc.php reads url from GET or POST and places it unchanged in the Location header after session destruction. Exploitation requires a user to follow the crafted URL; the resulting external redirect supports phishing and credential capture but does not alter the CMS.

CVSS severity5.1
Medium
EPSS probability0.22%
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 Saurus CMS Community Edition through d886e5b allows remote attackers to redirect users via a crafted logout URL. The logout branch in classes/port.inc.php reads url from GET or POST and places it unchanged in the Location header after session destruction. Exploitation requires a user to follow the crafted URL; the resulting external redirect supports phishing and credential capture but does not alter the CMS.

The record

CVE
CVE-2026-73671
Published
Aug 13, 2026
Updated
Aug 13, 2026
Vendor
Saurused Ltd
Product
Saurus CMS Community Edition
Classifications
CWE-601, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 13, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 13, 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 <=d886e5b

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Saurused Ltd · Saurus CMS Community Editionversion=0 <=d886e5b

Published CVSS scores

6.1VulnCheck CNACVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.1VulnCheck CNACVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA: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
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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