Security readout for executives and security teams
Plain-English summary
This vulnerability affects the WordPress MainWP Links Manager Extension through version 2.1. An unauthenticated attacker could abuse unsafe deserialization to trigger PHP object injection. The CVSS score is high because confidentiality, integrity, and availability may all be impacted, although exploitation complexity is rated high.
Executive priority
Prioritize within the next patch cycle, faster for public WordPress sites. The issue is unauthenticated and high-impact, but the available evidence does not confirm active exploitation or provide a named patch version.
Technical view
CVE-2023-23649 is a CWE-502 deserialization of untrusted data issue in MainWP Links Manager Extension. The source bundle identifies affected versions through 2.1 and CVSS 3.1 score 8.1: network reachable, unauthenticated, no user interaction, high complexity, and high C/I/A impact.
Likely exposure
Exposure is limited to WordPress sites using MainWP Links Manager Extension version 2.1 or earlier. The provided sources do not identify affected CPEs, deployment prevalence, or whether MainWP Dashboard/Core is independently affected.
Exploitation context
The bundle does not show CISA KEV listing and provides no cited evidence of active exploitation. Treat this as a serious unauthenticated WordPress plugin risk, but do not claim exploitation in the wild from these sources alone.
Researcher notes
The public record is sparse. Patchstack is the only named advisory reference in the bundle. Validate exact vulnerable code paths and remediation status against vendor materials before writing detections or asserting exploitability beyond the CVSS and CWE data.
Mitigation direction
- Inventory WordPress sites for MainWP Links Manager Extension.
- Identify any installs at version 2.1 or earlier.
- Check MainWP or Patchstack guidance for fixed versions or official mitigation.
- Disable or remove affected extension where no supported fix is available.
- Prioritize internet-facing WordPress sites and externally managed client sites.
Validation and detection
- Confirm plugin presence and version from WordPress inventory.
- Verify affected sites are updated, disabled, or no longer exposing the extension.
- Review web logs for unusual unauthenticated traffic targeting the plugin.
- Check whether new vendor, Patchstack, or KEV evidence changes exploit status.
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-2023-23649 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
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/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:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:H/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.