Security readout for executives and security teams
Plain-English summary
This is a stored cross-site scripting issue in the Yoast Duplicate Post WordPress plugin. A highly privileged user could save malicious script content in plugin settings, causing JavaScript to run later in admin interfaces. The bundle does not show active exploitation, but it does include a public exploit reference.
Executive priority
Treat as a moderate WordPress hygiene issue, not an emergency based on the provided evidence. Prioritize sites where administrator accounts are shared, weakly protected, or externally managed, because exploitation depends on high-privilege settings access.
Technical view
The described flaw affects Duplicate-Post 3.2.3 settings parameters including title prefix, suffix, menu order, and blacklist fields. It requires high privileges and can persist arbitrary JavaScript into admin-facing pages. CVSS 3.1 is 5.5 with changed scope, low confidentiality and integrity impact, and no availability impact.
Likely exposure
Exposure is likely limited to WordPress sites running the vulnerable Yoast Duplicate Post/Duplicate-Post plugin version and allowing high-privilege users to change plugin settings. Public internet exposure matters less than admin account security and plugin version hygiene.
Exploitation context
The source bundle includes an ExploitDB reference, but KEV is false and no cited source states active exploitation. The privilege requirement is high, so compromise risk is mainly from malicious, compromised, or misused administrator-level accounts.
Researcher notes
There is a version inconsistency in the bundle: the title and description name 3.2.3, while the affected entry lists 0.3. Validate against CVE, VulnCheck, Wordfence, and vendor data before asserting precise affected ranges or fixed versions.
Mitigation direction
- Check Yoast or WordPress plugin guidance for the fixed supported version.
- Update or remove the plugin according to vendor guidance.
- Restrict administrator-level WordPress access to trusted users only.
- Review plugin settings for unexpected script-like content.
- Monitor WordPress admin activity for unauthorized settings changes.
Validation and detection
- Inventory WordPress sites using Yoast Duplicate Post or Duplicate-Post.
- Compare installed plugin versions against vendor and advisory information.
- Review affected settings fields for suspicious stored content.
- Confirm only trusted administrators can modify plugin settings.
- Check security tools for detections tied to this plugin advisory.
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.
CVE-2019-25314 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
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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:H/UI:N/S:C/C:L/I:L/A:N2.32.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
4.8MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/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.
- 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
- ExploitDB-47424CVE reference, VulnCheck · exploit
- Duplicate Post Plugin Vendor HomepageCVE reference, VulnCheck · product
- WordPress Duplicate Post Plugin RepositoryCVE reference, VulnCheck · product
- VulnCheck Advisory: Duplicate-Post 3.2.3 - Persistent Cross-Site ScriptingCVE reference, VulnCheck · third-party-advisory
- https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/duplicate-post/yoast-duplicate-post-323-authenticated-admin-stored-cross-site-scriptingCVE reference, VulnCheck · third-party-advisory
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.