Security readout for executives and security teams
Plain-English summary
CVE-2026-22384 affects the WordPress Applay - Shortcodes plugin through version 3.7. It is a PHP object injection issue caused by unsafe deserialization. The published CVSS score is 9.8, meaning a remote unauthenticated attacker may be able to cause serious confidentiality, integrity, and availability impact if a vulnerable site is exposed.
Executive priority
High priority for organizations running WordPress. Identify affected sites quickly and reduce exposure until an official fix or guidance is confirmed. The business concern is potential full site compromise or outage on public web properties, although active exploitation is not confirmed by the provided sources.
Technical view
The issue is CWE-502, Deserialization of Untrusted Data, in leafcolor Applay - Shortcodes package applay-shortcodes. The CVSS vector is AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. Public sources identify affected versions as through <= 3.7. No exploit details, fixed version, or vendor mitigation are provided in the supplied sources.
Likely exposure
Exposure is primarily WordPress sites with the Applay - Shortcodes plugin installed at version 3.7 or earlier. Because WordPress plugins are often internet-facing, vulnerable public sites should be prioritized. Confirm actual exposure from plugin inventory, not CPE data, because the supplied affected record is limited.
Exploitation context
The CVSS vector indicates network-reachable, low-complexity, unauthenticated exploitation with no user interaction. However, the supplied sources do not state active exploitation, and the CVE is not listed as KEV in the provided bundle. Treat this as high-risk based on impact and reachability, not confirmed exploitation.
Researcher notes
Public data is sparse. The record names PHP object injection via unsafe deserialization but does not provide vulnerable code paths, prerequisites, proof of concept, fixed version, or exploitation telemetry. Avoid assuming exploitability beyond the CVSS and description. Further triage should focus on installed plugin versions and official advisory updates.
Mitigation direction
- Inventory WordPress sites for the Applay - Shortcodes plugin and version.
- If version is 3.7 or earlier, prioritize removal, disabling, or isolation.
- Check Patchstack and vendor/plugin distribution channels for an official fixed version.
- Restrict administrative access and review web application controls while awaiting guidance.
- Back up affected sites before making plugin changes.
Validation and detection
- Confirm plugin presence and version from WordPress administration or asset inventory.
- Verify whether any official update newer than 3.7 is available.
- Check that disabled or removed plugins are no longer active on the site.
- Review web and application logs for unusual requests to affected WordPress sites.
- Monitor CVE, Patchstack, and vendor sources for updated remediation information.
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-2026-22384 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
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/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.