The MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites plugin for WordPress is vulnerable to privilege escalation due to a missing authorization checks on the register_site function in all versions up to, and including, 5.2 when a site is left in an unconfigured state. This makes it possible for unauthenticated attackers to log in as an administrator on instances where MainWP Child is not yet connected to the MainWP Dashboard. IMPORTANT: this only affects sites who have MainWP Child installed and have not yet connected to the MainWP Dashboard, and do not have the unique security ID feature enabled. Sites already connected to the MainWP Dashboard plugin and do not have the unique security ID feature enabled, are NOT affected and not required to upgrade. Please note versions up to 5.3.3 contained a patch, though a bypass was discovered and not addressed until version 5.3.4.
CVE-2024-10783
Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2024-12-13. NVD baseline CVSS 8.1; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.1
- EG Score
- 8.1(medium)
- EG Risk
- 52(Track)EG Risk 52/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity81% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 2%
- EPSS %ILE
- 82%
- KEV
- Not listed
Published
December 13, 2024
Last Modified
April 15, 2026
References (7)
- security@wordfencehttps://plugins.trac.wordpress.org/browser/mainwp-child/tags/5.2/class/class-mainwp-child.php#L76
- security@wordfencehttps://plugins.trac.wordpress.org/browser/mainwp-child/tags/5.2/class/class-mainwp-connect.php#L69
- security@wordfencehttps://plugins.trac.wordpress.org/browser/mainwp-child/tags/5.2/class/class-mainwp-connect.php#L788
- security@wordfencehttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3197586%40mainwp-child&new=3197586%40mainwp-child&sfp_email=&sfph_mail=
- security@wordfencehttps://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3229741%40mainwp-child&new=3229741%40mainwp-child&sfp_email=&sfph_mail=
- security@wordfencehttps://wordpress.org/plugins/mainwp-child/
- security@wordfencehttps://www.wordfence.com/threat-intel/vulnerabilities/id/9156e536-a58e-4d78-b136-af8a9613ee23?source=cve
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 11× in last 7d / 43× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 122 total refreshes for this CVE.
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Publicly available exploits
(1 reference)Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Nucleihttp/cves/2024/CVE-2024-10783.yamlFirst seen Jan 1, 2024
WordPress Plugin MainWP Child - Authentication Bypass
Open source ↗
Related CVEs(same CWE)
Same CWE
10 shownCWE-862
- CVE-2013-3960EG 9.9CRITICAL
- CVE-2015-10143EG 9.8CRITICAL
- CVE-2016-11036EG 9.8CRITICAL
- CVE-2018-11541EG 9.8CRITICAL
- CVE-2011-4183NVD 6.5EG 9.8CRITICAL
- CVE-2018-10251EG 9.8EPSS p90CRITICAL
- CVE-2018-1217EG 9.8EPSS p99CRITICAL
- CVE-2018-0015EG 9.8CRITICAL
- CVE-2017-12582EG 9.8CRITICAL
- CVE-2017-1000056EG 9.8CRITICAL
Frequently asked(5)
What is CVE-2024-10783?
When was CVE-2024-10783 disclosed?
Is CVE-2024-10783 actively exploited?
What is the CVSS score of CVE-2024-10783?
How do I remediate CVE-2024-10783?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2024-10783
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