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Vulnerability record · CVE-2022-0993 · published 19 April 2022

CVE-2022-0993: Siteground security improper authorization vulnerability

Siteground · Siteground Security

The SiteGround Security plugin for WordPress is vulnerable to authentication bypass that allows unauthenticated users to log in as administrative users due to missing identity verification on the 2FA back-up code implementation that logs users in upon success. This affects versions up to, and including, 1.2.5.

9.8 CVSS 3.1 Critical EPSS 7.5% · top 5.7% CWE-285 · Improper authorizationCWE-306 · Missing authentication for critical function
9.8CVSS 3.1 base score, v2 7.5
7.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

The SiteGround Security plugin for WordPress is vulnerable to authentication bypass that allows unauthenticated users to log in as administrative users due to missing identity verification on the 2FA back-up code implementation that logs users in upon success. This affects versions up to, and including, 1.2.5.

CVSS:3.1/AV:N/AC:L/PR:N/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/2706302 Release NotesVendor Advisory
https://www.wordfence.com/blog/2022/04/critical-authentication-bypass-vulnerability-patched-in-siteground-security-plugi
https://www.wordfence.com/threat-intel/vulnerabilities/id/8e3a5566-eee5-4f71-9c93-e59abf913d04?source=cve
https://plugins.trac.wordpress.org/changeset/2706302 Release NotesVendor Advisory
https://www.wordfence.com/blog/2022/04/critical-authentication-bypass-vulnerability-patched-in-siteground-security-plugi
https://www.wordfence.com/threat-intel/vulnerabilities/id/8e3a5566-eee5-4f71-9c93-e59abf913d04?source=cve

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Related vulnerabilities

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

8.8CVE-2023-0234Siteground security vulnerabilityThe SiteGround Security WordPress plugin before 1.3.1 does not properly sanitize user input before using it in an SQL query, leading to an authentica…EPSS 18%8.8CVE-2026-58704Android Cellular Modem improper authorization allows adjacent privilege escalationAndroid's Cellular Modem component contains a logic error that bypasses permission checks, allowing an attacker within radio/adjacent range to escala…KEVEPSS 0.59%analysed9.8CVE-2021-28799QNAP HBS 3 improper authorization allows remote loginQNAP Hybrid Backup Sync 3 (HBS 3) contains an improper authorization flaw that lets remote attackers log in to the NAS device. The issue affects mult…KEVEPSS 78%analysed

Source: NIST National Vulnerability Database (record CVE-2022-0993), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.