Security readout for executives and security teams
Plain-English summary
CVE-2026-23798 affects the WordPress PowerPress Podcasting plugin through version 11.15.10. It is a PHP object injection issue caused by unsafe deserialization. A low-privileged authenticated attacker may be able to impact confidentiality, integrity, and availability. No cited source shows active exploitation or KEV listing.
Executive priority
Prioritize within the normal high-severity remediation window, faster for public WordPress sites with user registration or many low-privileged accounts. There is no cited active exploitation, but the potential impact includes site compromise and service disruption.
Technical view
The issue is CWE-502, Deserialization of Untrusted Data, in blubrry PowerPress Podcasting. The CVSS 3.1 score is 8.8 with network attack vector, low complexity, low privileges required, and no user interaction. Scope is unchanged, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is likely limited to WordPress sites running the PowerPress Podcasting plugin at version 11.15.10 or earlier. The CVSS vector indicates an attacker needs low privileges, so sites allowing subscriber or other low-level accounts may have higher practical risk.
Exploitation context
The public sources identify the vulnerability class and affected versions, but do not provide confirmed exploitation in the wild. The CVE is not listed as KEV in the provided bundle. Treat this as high priority because authenticated network exploitation can have full-site impact.
Researcher notes
The provided data does not include a fixed version, proof of concept, affected code path, or gadget-chain details. Avoid assuming exploitability on every installation; PHP object injection impact depends on reachable deserialization and available classes. Validate exposure by version and follow vendor/Patchstack updates.
Mitigation direction
- Inventory WordPress sites for the PowerPress Podcasting plugin.
- Check whether installed versions are 11.15.10 or earlier.
- Review vendor and Patchstack guidance for a fixed version or official mitigation.
- Update promptly if an official patched version is available.
- Disable the plugin where business impact is acceptable until remediated.
- Limit unnecessary low-privileged WordPress accounts on affected sites.
Validation and detection
- Confirm plugin name and version from WordPress administration or asset inventory.
- Verify whether PowerPress Podcasting is above the affected version range.
- Check vendor or Patchstack advisories for updated remediation details.
- Review authentication logs for unusual low-privileged account activity.
- Document sites where the plugin is disabled, updated, or exception-approved.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-23798 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.