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CVE Record

CVE-2021-24374: Jetpack < 9.8 - Carousel Module Non-Published Page/Post Attachment Comment Leak

The Jetpack Carousel module of the JetPack WordPress plugin before 9.8 allows users to create a "carousel" type image gallery and allows users to comment on the images. A security vulnerability was found within the Jetpack Carousel module by nguyenhg_vcs that allowed the comments of non-published page/posts to be leaked.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2021-24374 is an information leak in Jetpack's Carousel module for WordPress. On Jetpack versions before 9.8, comments tied to images from non-published pages or posts could be exposed. This is a privacy and content-governance issue, not a documented site takeover issue.

Executive priority

Prioritize as a contained confidentiality risk. It is less urgent than remote code execution, but it can expose unpublished editorial or business-sensitive comments and should be remediated during routine WordPress security maintenance.

Technical view

The issue affects Jetpack's Carousel image gallery/comment feature before version 9.8. The source maps it to CWE-639, indicating an authorization weakness where users could access attachment comments associated with non-published content. No CVSS score is provided in the bundle.

Likely exposure

WordPress sites using Jetpack before 9.8 are the relevant population. Practical exposure is most likely where the Carousel module and image comments were used with draft, private, pending, or otherwise non-published posts or pages.

Exploitation context

The source bundle does not report active exploitation, and CISA KEV status is false. Public details describe the leaked data class but do not provide exploit maturity, required privileges, or attack prevalence.

Researcher notes

Evidence is limited to the CVE description, WPScan reference, and Jetpack 9.8 release reference. The bundle does not include CVSS, proof-of-concept status, exploit prerequisites, or detailed fixed-code notes, so validation should focus on version and feature exposure.

Mitigation direction

  • Upgrade Jetpack to version 9.8 or later.
  • Check current Jetpack vendor guidance for any newer security recommendations.
  • Disable Carousel image commenting until the plugin is updated, if exposure is suspected.
  • Review non-published content for sensitive attachment comments.

Validation and detection

  • Inventory WordPress sites running Jetpack and record plugin versions.
  • Confirm whether any site is below Jetpack 9.8.
  • Check whether the Carousel module and image comments were enabled.
  • Review draft, private, or pending content for sensitive attachment comments.
Prepared
Confidence
medium
Sources
4

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 · low confidence lookup

CWE-639: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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-2021-24374 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
0Timeline events
0ADP providers
3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
AutomatticJetpack – WP Security, Backup, Speed, & Growth9.8Listed
Weakness

CWE details

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

CWE-639 · source CWE mapping

Authorization Bypass Through User-Controlled Key

Authorization Bypass Through User-Controlled Key represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.