The Spam protection, Anti-Spam, FireWall by CleanTalk plugin for WordPress is vulnerable to unauthorized Arbitrary Plugin Installation due to an authorization bypass via reverse DNS spoofing on the checkWithoutToken function in all versions up to, and including, 6.43.2. This makes it possible for unauthenticated attackers to install and activate arbitrary plugins which can be leveraged to achieve remote code execution if another vulnerable plugin is installed and activated.
CVE-2024-10542
Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2024-11-26. NVD baseline CVSS 9.8; 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
- 9.8
- EG Score
- 9.8(medium)
- EG Risk
- 75(Track)EG Risk 75/100SSVC: 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 computedSeverity98% × 45%Exploitation40% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 15%
- EPSS %ILE
- 96%
- KEV
- Not listed
Published
November 26, 2024
Last Modified
July 12, 2025
References (3)
- security@wordfencehttps://plugins.trac.wordpress.org/browser/cleantalk-spam-protect/tags/6.43.2/lib/Cleantalk/ApbctWP/RemoteCalls.php#L41
- security@wordfencehttps://plugins.trac.wordpress.org/changeset/3179819/cleantalk-spam-protect#file631
- security@wordfencehttps://www.wordfence.com/threat-intel/vulnerabilities/id/d7eb5fad-bb62-4f0b-ad52-b16c3e442b62?source=cve
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 36× 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.
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- 2026-05-23 17:22 UTCGHSA enrichment
Publicly available exploits
(1 reference)Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- GitHub PoCubaydev/CVE-2024-10542First seen Nov 26, 2024
WordPress Spam protection, AntiSpam, FireWall by CleanTalk Plugin <= 6.43.2 is vulnerable to Unauthenticated Arbitrary Plugin Installation
Open source ↗
Frequently asked(5)
What is CVE-2024-10542?
When was CVE-2024-10542 disclosed?
Is CVE-2024-10542 actively exploited?
What is the CVSS score of CVE-2024-10542?
How do I remediate CVE-2024-10542?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2024-10542
Is Your Infrastructure Affected by CVE-2024-10542?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.