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Vulnerability record · CVE-2021-25082 · published 21 February 2022

CVE-2021-25082: Sygnoos popup builder path traversal vulnerability

Sygnoos · Popup Builder

The Popup Builder WordPress plugin before 4.0.7 does not validate and sanitise the sgpb_type parameter before using it in a require statement, leading to a Local File Inclusion issue. Furthermore, since the beginning of the string can be controlled, the issue can lead to RCE vulnerability via wrappers such as PHAR

8.8 CVSS 3.1 High EPSS 5.2% · top 7.8% CWE-22 · Path traversal
8.8CVSS 3.1 base score, v2 6.5
5.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The Popup Builder WordPress plugin before 4.0.7 does not validate and sanitise the sgpb_type parameter before using it in a require statement, leading to a Local File Inclusion issue. Furthermore, since the beginning of the string can be controlled, the issue can lead to RCE vulnerability via wrappers such as PHAR

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://plugins.trac.wordpress.org/changeset/2659117 Release NotesThird Party Advisory
https://wpscan.com/vulnerability/0f90f10c-4b0a-46da-ac1f-aa6a03312132 ExploitThird Party Advisory
https://plugins.trac.wordpress.org/changeset/2659117 Release NotesThird Party Advisory
https://wpscan.com/vulnerability/0f90f10c-4b0a-46da-ac1f-aa6a03312132 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-25082), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.