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CVE Record

CVE-2026-23971: WordPress WoodMart theme <= 8.3.8 - PHP Object Injection vulnerability

Deserialization of Untrusted Data vulnerability in xtemos WoodMart woodmart allows Object Injection.This issue affects WoodMart: from n/a through <= 8.3.8.

HighCVSS 8.1Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2026-23971 is a high-severity vulnerability in the WordPress WoodMart theme through version 8.3.8. It involves unsafe handling of serialized data, which can allow PHP object injection. For businesses, the concern is public WordPress sites using this theme, where a successful attack could affect confidentiality, integrity, and availability.

Executive priority

Treat this as a high-priority WordPress exposure review, especially for revenue, ecommerce, or externally hosted sites using WoodMart. Prioritize inventory and vendor guidance because no specific patch version is named in the provided sources.

Technical view

The CVE describes CWE-502 deserialization of untrusted data in xtemos WoodMart, affecting versions through 8.3.8. The CVSS 3.1 score is 8.1 with network access, no privileges, no user interaction, and high impact ratings, but high attack complexity. Public sources do not provide exploit details, indicators, or a named fixed version.

Likely exposure

Exposure is most likely on WordPress sites with the WoodMart theme installed at version 8.3.8 or earlier. Internet-facing WordPress deployments should be prioritized for inventory and version validation.

Exploitation context

The CVE is not listed as KEV in the provided data, and the sources do not state active exploitation. The CVSS vector indicates remote unauthenticated attack potential, but with high complexity. Object injection impact may depend on application context and available PHP object chains.

Researcher notes

Evidence is limited to the CVE description, CVSS vector, CWE-502 classification, and Patchstack reference. No public exploit status, root-cause detail, affected code path, or fixed release is included in the provided bundle. Avoid assuming exploitability beyond the published CVSS and description.

Mitigation direction

  • Identify all WordPress sites using the WoodMart theme.
  • Check the installed WoodMart version against 8.3.8 or earlier.
  • Review xtemos, Patchstack, and CVE sources for fixed-version guidance.
  • Apply the vendor-recommended update or mitigation when available.
  • Consider temporary virtual patching or compensating controls if vendor guidance supports it.

Validation and detection

  • Confirm whether WoodMart is installed and active on each WordPress site.
  • Record the exact WoodMart version from WordPress administration or asset inventory.
  • Compare versions to the affected range: through 8.3.8.
  • Monitor Patchstack and CVE records for updated fix or exploitation information.
  • Review recent security logs for unexplained WordPress changes or compromise indicators.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · medium confidence lookup

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 lookup
cve · low confidence lookup

CVE-2026-23971 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
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

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
8.1CVSS 3.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H2.25.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

8.1High
CVSS 3.1 vector shape for CVE-2026-23971Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
xtemosWoodMartwoodmart, 0unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-502 · source CWE mapping

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.