HOMEVULNERABILITIESCVE-2021-4434
CRITICAL

CVE-2021-4434

CWE-94Published: January 17, 2024· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

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.

NVD Source

Risk Analysis

The Social Warfare plugin for WordPress is vulnerable to remote code execution via the swp_url parameter. This critical flaw allows attackers to execute arbitrary code on the server.

No public exploit is known, and the vulnerability is not in the CISA KEV catalog.

Recommended Action

Update the Social Warfare plugin to a version beyond 3.5.2.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2021-4434 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

warfareplugins1 product(s)
social warfare
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://packetstormsecurity.com/files/163680/WordPress-Social-Warfare-3.5.2-Remote-Code-Execution.html
ADVISORYhttps://www.wordfence.com/threat-intel/vulnerabilities/id/98cf2a10-cc53-4479-87d1-71489f6a8c51?source=cve
ADVISORYhttps://packetstormsecurity.com/files/163680/WordPress-Social-Warfare-3.5.2-Remote-Code-Execution.html
ADVISORYhttps://www.wordfence.com/threat-intel/vulnerabilities/id/98cf2a10-cc53-4479-87d1-71489f6a8c51?source=cve

All References (4)

→
https://packetstormsecurity.com/files/163680/WordPress-Social-Warfare-3.5.2-Remote-Code-Execution.htmlExploit · Third Party Advisory · VDB Entry
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/98cf2a10-cc53-4479-87d1-71489f6a8c51?source=cveThird Party Advisory
→
https://packetstormsecurity.com/files/163680/WordPress-Social-Warfare-3.5.2-Remote-Code-Execution.htmlExploit · Third Party Advisory · VDB Entry
→
https://www.wordfence.com/threat-intel/vulnerabilities/id/98cf2a10-cc53-4479-87d1-71489f6a8c51?source=cveThird Party Advisory

Quick Facts

CVE IDCVE-2021-4434
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-94
CISA KEVNo
Affected1 vendor(s)
PublishedJan 17, 2024

Related CVEs (CWE-94)

CVE-2025-65037
10.0
CVE-2011-10013
10.0
CVE-2024-50707
10.0
CVE-2012-0261
10.0
CVE-2024-50704
10.0
CVE-2011-10011
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-4434 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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