What is the CVSS score of CVE-2026-23798?

CVE-2026-23798 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%.

How to fix or mitigate CVE-2026-23798?

Within 24 hours: Inventory all WordPress instances using Blubrry PowerPress and assess exposure. Within 7 days: Implement network segmentation to restrict plugin functionality, disable untrusted data inputs where possible, and deploy WAF rules to block malicious serialized object payloads. Within 30 days: Monitor vendor security advisories for patch availability and prepare for immediate deployment; consider alternative podcast hosting solutions if patch timeline remains unclear.

CVE-2026-23798

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 blubrry PowerPress Podcasting powerpress allows Object Injection.This issue affects PowerPress Podcasting: from n/a through <= 11.15.10.

AnalysisAI

blubrry PowerPress Podcasting powerpress is affected by deserialization of untrusted data (CVSS 8.8).

Technical ContextAI

This vulnerability (CWE-502: Deserialization of Untrusted Data) affects blubrry PowerPress Podcasting powerpress. Deserialization of Untrusted Data vulnerability in blubrry PowerPress Podcasting powerpress allows Object Injection.This issue affects PowerPress Podcasting: from n/a through <= 11.15.10.