Security readout for executives and security teams
Plain-English summary
CVE-2023-6776 affects the WordPress 3D FlipBook plugin. A logged-in user with Contributor-level access or higher could store malicious browser script through the Ready Function field. That script can run when someone views the affected page, creating account, content, and session-risk exposure.
Executive priority
Treat this as a moderate-priority WordPress content integrity issue. It is not reported as actively exploited in the supplied evidence, but it can expose site users if author accounts are abused.
Technical view
This is stored cross-site scripting, CWE-79, caused by insufficient input sanitization and output escaping in the Ready Function field. The source description says all versions up to and including 1.15.2 are affected. CVSS 3.1 is 6.4, with low privileges required and changed scope.
Likely exposure
Exposure is most likely on WordPress sites running 3D FlipBook up to 1.15.2 where untrusted or compromised Contributor-level users can create or edit plugin content.
Exploitation context
The provided sources do not indicate CISA KEV listing or active exploitation. Exploitation requires authenticated Contributor-level access or higher, but stored XSS can affect later visitors to the injected page.
Researcher notes
The source bundle has an affected-product inconsistency: structured affected data lists version “0” with default unaffected, while the title and description identify versions through 1.15.2. Validate against Wordfence and the WordPress changeset before closing exposure.
Mitigation direction
- Check vendor or WordPress.org plugin guidance for the fixed version.
- Update 3D FlipBook beyond 1.15.2 if a fixed release is available.
- Restrict Contributor and higher roles to trusted users only.
- Review existing flipbook content for unexpected Ready Function entries.
- Apply least-privilege access for WordPress content authors.
Validation and detection
- Inventory WordPress sites using the 3D FlipBook plugin.
- Confirm installed plugin versions and flag versions up to 1.15.2.
- Review users with Contributor, Author, Editor, or Administrator roles.
- Inspect plugin content using the Ready Function field.
- Check web logs for suspicious edits to affected plugin content.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2023-6776 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
- 6.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/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.
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:C/C:L/I:L/A:N3.12.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.