What is the CVSS score of CVE-2026-27379?

CVE-2026-27379 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of NextScripts NextScripts are affected by CVE-2026-27379?

A critical vulnerability in NextScripts social media posting plugin allows attackers to execute arbitrary code through unsafe data deserialization, potentially compromising websites that use this…

How to fix or mitigate CVE-2026-27379?

Within 24 hours: Identify all instances of NextScripts plugin across your infrastructure and assess exposure. Within 7 days: Implement network segmentation to restrict plugin communication, disable the plugin if non-critical, or apply compensating controls. Within 30 days: Monitor vendor security advisories for patch availability and establish update procedures; consider alternative social media management solutions if patches remain unavailable.

NextScripts NextScripts CVE-2026-27379

HIGH

Deserialization of Untrusted Data (CWE-502)

2026-03-05 audit@patchstack.com

Deserialization

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Re-analysis Queued

Apr 22, 2026 - 21:37 vuln.today

cvss_changed

Analysis Generated

Mar 12, 2026 - 22:06 vuln.today

CVE Published

Mar 05, 2026 - 06:16 nvd

HIGH 8.8

DescriptionCVE.org

Deserialization of Untrusted Data vulnerability in NextScripts NextScripts social-networks-auto-poster-facebook-twitter-g allows Object Injection.This issue affects NextScripts: from n/a through <= 4.4.7.

AnalysisAI

NextScripts NextScripts social-networks-auto-poster-facebook-twitter-g is affected by deserialization of untrusted data (CVSS 8.8).

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Authenticate as WordPress user

Exploit

Submit malicious serialized PHP object

Execution

Trigger unsafe deserialization

Impact

Execute arbitrary code with WordPress privileges

Access

Authenticate as WordPress user

Exploit

Submit malicious serialized PHP object

Execution

Trigger unsafe deserialization

Impact

Execute arbitrary code with WordPress privileges

Vulnerability AssessmentAI

Exploitation	WordPress user account with plugin access required. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 8.8 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker could exploit this vulnerability to compromise the affected system.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all instances of NextScripts plugin across your infrastructure and assess exposure. …

Threat intelligence, references, and detailed analysis are available after sign-in.

CVE-2026-27379 vulnerability details – vuln.today

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NextScripts NextScripts CVE-2026-27379

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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Attack ChainAIDerived

Vulnerability AssessmentAI

Recommended ActionAI

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External POC / Exploit Code