CVE-2021-4434 json
Social Warfare <= 3.5.2 - Remote Code Execution
published 2024-01-17 2 y ago modified 2026-06-17 4 mo ago also EUVD-2021-34261
- cvss
- 10.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
The Social Warfare plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 3.5.2 via the 'swp_url' parameter. This allows attackers to execute code on the server.
Patch / fix
- warfareplugins Social Sharing Plugin – Social Warfare 3.5.3
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
1.92% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- packetstormsecurity.com https://packetstormsecurity.com/files/163680/WordPress-Social-Warfare-3.5.2-Remote-Code-Execution.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- warfareplugins Social Sharing Plugin – Social Warfare
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
- Technology feeds
References
-
packetstormsecurity.com
/files/163680/WordPress-Social-Warfare-3.5.2-Remote-Code-Execution.html
exploit, third-party-advisory, vdb-entry
-
wordfence.com
/threat-intel/vulnerabilities/id/98cf2a10-cc53-4479-87d1-71489f6a8c51?source=cve
third-party-advisory
Sources
- CVE List CVE-2021-4434
- NVD CVE-2021-4434
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.