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CVE Record

CVE-2021-46115: jpress 4.2.0 is vulnerable to RCE via io.jpress.web.admin._TemplateController#doUploadFile.

jpress 4.2.0 is vulnerable to RCE via io.jpress.web.admin._TemplateController#doUploadFile. The admin panel provides a function through which attackers can upload templates and inject some malicious code.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2021-46115 affects JPress 4.2.0. The CVE says the admin template upload feature can lead to remote code execution if attackers can upload templates containing malicious code. Treat exposed JPress administration paths as sensitive, but the public bundle does not prove unauthenticated exploitation or active attacks.

Executive priority

Prioritize assessment if JPress 4.2.0 supports public-facing business services. RCE can affect confidentiality, integrity, and availability, but urgency depends on admin exposure and vendor guidance because public severity data is incomplete.

Technical view

The reported flaw is in io.jpress.web.admin._TemplateController#doUploadFile. Public CVE text states the admin panel template upload function permits malicious code injection, resulting in RCE in JPress 4.2.0. No CVSS, CWE, detailed prerequisites, or vendor-fixed version are provided in the supplied sources.

Likely exposure

Organizations running JPress 4.2.0 are the likely exposure group, especially where the admin panel or template upload function is reachable. The supplied affected metadata is incomplete and does not identify CPEs or broader version ranges.

Exploitation context

The source bundle does not show KEV listing or active exploitation. It also does not confirm whether exploitation requires valid admin credentials. The available evidence supports an RCE risk through template upload, not public weaponization status.

Researcher notes

Evidence is sparse: no CVSS vector, CWE mapping, CPEs, patch version, or authentication detail are provided. The strongest technical indicator is the named controller method and admin template upload path in the CVE description.

Mitigation direction

  • Identify any JPress 4.2.0 deployments.
  • Check the JPress repository and issue 169 for vendor guidance.
  • Restrict admin panel access to trusted networks and users.
  • Disable or tightly control template uploads where operationally possible.
  • Review uploaded templates for unauthorized or unexpected changes.

Validation and detection

  • Confirm deployed JPress versions against asset inventory.
  • Check whether admin routes are internet-accessible.
  • Review administrative accounts and recent login history.
  • Inspect template upload records and modified template files.
  • Monitor server logs for unusual template upload activity.
Prepared
Confidence
medium
Sources
4

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

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ATT&CK lookup starting points

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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-46115 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

0CVSS vectors
3Timeline events
1ADP providers
3Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

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ADP provider summaries

CVECVE Program Container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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