Security readout for executives and security teams
Plain-English summary
A logged-in WordPress user with Contributor privileges or higher may view configuration exposed by PDF Embedder through the block editor. The main business concern is disclosure of a saved license key when the premium add-on is installed. Lite-only sites reportedly expose viewer settings rather than sensitive data.
Executive priority
Prioritize affected sites using the premium add-on or allowing multiple Contributors. Remediate during the next expedited maintenance window, revoke suspicious accounts immediately, and assess license-key rotation. Lite-only sites remain affected but have lower stated business impact.
Technical view
PDF Embedder through version 4.9.3 exposes configuration through enqueue_block_assets on block-editor pages. Exploitation is remote, low complexity, requires Contributor-level access, and needs no victim interaction. Impact is limited to confidentiality; the supplied CVSS 3.1 score is 4.3 under CWE-200.
Likely exposure
Exposure requires WordPress with PDF Embedder 4.9.3 or earlier and an attacker-controlled Contributor-or-higher account. License-key exposure additionally requires the premium add-on and a saved key. Lite-only deployments have materially lower impact because the described exposed values are non-sensitive viewer configuration.
Exploitation context
The supplied record is not in KEV, and the source bundle provides no evidence of active exploitation. Abuse nevertheless appears practical after obtaining a qualifying account because attack complexity is low, access is remote, and no user interaction is required.
Researcher notes
The cited WordPress Trac changeset indicates code modification, but the supplied evidence does not explicitly name a fixed release. Treat remediation version claims as unconfirmed until vendor guidance does. The affected-product metadata contains an inconsistent versions value of "0"; the narrative explicitly states all versions through 4.9.3.
Mitigation direction
- Inventory installations and identify PDF Embedder versions 4.9.3 or earlier.
- Check vendor guidance for a confirmed fixed release, then update promptly.
- Restrict Contributor-or-higher access to trusted users until remediation is confirmed.
- If exposed, rotate the premium license key through the vendor's supported process.
Validation and detection
- Confirm the installed PDF Embedder version on every WordPress site.
- Determine whether the premium add-on is installed with a saved license key.
- Review Contributor, Author, Editor, and Administrator accounts for unexpected access.
- After remediation, verify configuration is no longer disclosed to a controlled Contributor account.
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-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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-2026-7526 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
- Medium
- CVSS
- 4.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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.
SSVC decision data
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:L/PR:L/UI:N/S:U/C:L/I:N/A:N2.81.4WordfenceVulnerability scoring details
Base CVSS 3.1 score
4.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- Source timelineWordfence
Vendor Notified
- Source timelineWordfence
Disclosed
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/threat-intel/vulnerabilities/id/0e0f2516-0fa7-415e-868e-6bd259bc6546?source=cveCVE reference, Wordfence
- https://plugins.trac.wordpress.org/browser/pdf-embedder/trunk/src/Plugin.php#L224CVE reference, Wordfence
- https://plugins.trac.wordpress.org/browser/pdf-embedder/tags/4.9.3/src/Plugin.php#L224CVE reference, Wordfence
- https://plugins.trac.wordpress.org/changeset/3531901/pdf-embedder/trunk/src/Plugin.php?old=3429550&old_path=pdf-embedder%2Ftrunk%2Fsrc%2FPlugin.phpCVE reference, Wordfence
- https://research.cleantalk.org/cve-2026-7526/CVE reference, Wordfence
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.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.