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CVE Record

CVE-2022-3342: Jetpack CRM <= 5.3.1 - Cross-Site Request Forgery and PHAR Deserialization

The Jetpack CRM plugin for WordPress is vulnerable to PHAR deserialization via the ‘zbscrmcsvimpf’ parameter in the 'zeroBSCRM_CSVImporterLitehtml_app' function in versions up to, and including, 5.3.1. While the function performs a nonce check, steps 2 and 3 of the check do not take any action upon a failed check. These steps then perform a 'file_exists' check on the value of 'zbscrmcsvimpf'. If a phar:// archive is supplied, its contents will be deserialized and an object injected in the execution stream. This allows an unauthenticated attacker to obtain object injection if they are able to upload a phar archive (for instance if the site supports image uploads) and then trick an administrator into performing an action, such as clicking a link.

HighCVSS 7.5Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2022-3342 affects Jetpack CRM for WordPress through version 5.3.1. A failed security check could still allow dangerous file handling, leading to PHP object injection. Business risk is highest on WordPress sites where attackers can place uploaded files and persuade an administrator to click a crafted link.

Executive priority

Treat this as a high-priority WordPress plugin update, not a confirmed emergency breach. Patch or disable affected plugin versions promptly, then validate upload controls and admin-facing monitoring.

Technical view

The vulnerable CSV importer function checks a nonce but later paths do not stop when that check fails. It then calls file_exists on zbscrmcsvimpf. If that value references a phar:// archive already on the server, PHP may deserialize PHAR metadata, creating CWE-502 object injection risk.

Likely exposure

Exposure is likely limited to WordPress installations running Jetpack CRM up to and including 5.3.1, especially sites allowing user-controlled uploads. The source bundle does not identify other affected products or hosted-service exposure.

Exploitation context

The CVE is not listed as KEV, and the provided sources do not state active exploitation. Exploitation has meaningful prerequisites: attacker-controlled PHAR content must be reachable on the server, and an administrator must perform an induced action.

Researcher notes

Key constraints are CSRF plus PHAR deserialization, not a simple unauthenticated one-shot issue. The available evidence supports high impact but high attack complexity and required user interaction. No exploit-in-the-wild claim is supported by the provided sources.

Mitigation direction

  • Upgrade Jetpack CRM beyond version 5.3.1 or follow current vendor guidance.
  • Disable the plugin if upgrade status cannot be verified quickly.
  • Restrict untrusted uploads and validate allowed file types server-side.
  • Review media and upload directories for unexpected archive-like files.
  • Prioritize administrator security awareness for suspicious plugin-management links.

Validation and detection

  • Inventory WordPress sites for Jetpack CRM versions up to 5.3.1.
  • Confirm the CSV importer fix is present in deployed plugin code.
  • Check whether untrusted users can upload files to affected sites.
  • Review web logs for suspicious CSV importer requests.
  • Confirm no PHAR-like uploaded files are reachable by the application.
Prepared
Confidence
high
Sources
5

Public sources used

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.

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cve · low confidence lookup

CVE-2022-3342 mapping review

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

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/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
4Source 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
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H1.65.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2022-3342Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
automatticJetpack CRM – Clients, Leads, Invoices, Billing, Email Marketing, & Automation0unaffected
Weakness

CWE details

CWE-502

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.

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