Unauthenticated code execution via remote file evaluation
Published Jan 17, 2024 · Updated Apr 8, 2026
Code injection in Warfare Plugins Social Warfare 3.5.2 and earlier allows remote attackers to execute PHP code through swp_url. The database-migration handler fetches the supplied URL, extracts content between pre tags, prepends return, and passes it to PHP eval(). No authentication is required; successful requests execute attacker-supplied PHP in the WordPress server process, permitting site and host compromise.
Summary
What happened
Code injection in Warfare Plugins Social Warfare 3.5.2 and earlier allows remote attackers to execute PHP code through swp_url. The database-migration handler fetches the supplied URL, extracts content between pre tags, prepends return, and passes it to PHP eval(). No authentication is required; successful requests execute attacker-supplied PHP in the WordPress server process, permitting site and host compromise.
The record
- CVE
- CVE-2021-4434
- Published
- Jan 17, 2024
- Updated
- Apr 8, 2026
- Vendor
- Warfare Plugins
- Product
- Social Warfare
- Classifications
- CWE-94, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jan 17, 2024CVE publishedPublication date reported by the CVE source.
- Apr 8, 2026Record 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.
- Affected versionversion=0 <3.5.3
What conditions does exploitation require?
What is affected?
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.
Weakness, pattern, technique
Public exploit references
- WordPress Social Warfare 3.5.2 Remote Code Executionproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Reported exploitation
- Persistent exploit attempts against the Social Warfare flawreported exploitation
Technologies
Your stack
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Your stack
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