CVE-2023-0552Public exploitNetwork attack vector

User redirection via unvalidated redirect target

Published Feb 27, 2023 · Updated Mar 18, 2025

Open redirect in Page Builder Addons Pie Register before 3.8.2.3 allows remote authenticated users to redirect browsers to external sites. The login and logout redirect handlers accept a protocol-relative redirect_to value without restricting the destination to the WordPress site. Exploitation requires a crafted link and a login or logout action, after which the browser can be sent to a phishing site; no direct data access or service interruption is reported.

CVSS severity5.4
Medium
EPSS probability24.26%
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 Page Builder Addons Pie Register before 3.8.2.3 allows remote authenticated users to redirect browsers to external sites. The login and logout redirect handlers accept a protocol-relative redirect_to value without restricting the destination to the WordPress site. Exploitation requires a crafted link and a login or logout action, after which the browser can be sent to a phishing site; no direct data access or service interruption is reported.

The record

CVE
CVE-2023-0552
Published
Feb 27, 2023
Updated
Mar 18, 2025
Vendor
Page Builder Addons
Product
Pie Register
Classifications
CWE-601, T1204.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 27, 2023CVE publishedPublication date reported by the CVE source.
  2. Mar 18, 2025Record 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=3.8.1.4 <3.8.2.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Page Builder Addons · Pie Registerversion=3.8.1.4 <3.8.2.3

Published CVSS scores

5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
6.1WordfenceCVSS: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 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-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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