Plugin vulnerabilities
Is Meta Box safe? Known vulnerabilities and the version to run.
Meta Box: a framework for adding custom fields and custom post types.
The short answer
Run Meta Box 5.15.4 or later. That version has a fix for every known vulnerability that's been patched.
- Known vulnerabilities
- 12
- In the last 12 months
- 7
- Rated high or critical
- 4
- No fix yet
- 0
Every known Meta Box vulnerability
Newest first. The most recent was disclosed on 7 November 2026. Each one links to its full record on Wordfence.
| Vulnerability | Severity | Affected versions | Fixed in |
|---|---|---|---|
| Missing AuthorizationCVE-2026-120836 · 7 November 2026 | Medium 4.3 | 5.15.3 and earlier | 5.15.4 |
| Authenticated (Contributor+) Stored Cross-Site ScriptingCVE-2026-123472 · 7 November 2026 | Medium 6.4 | 5.15.3 and earlier | 5.15.4 |
| Authenticated (Subscriber+) Stored Cross-Site Scripting via Background Field Array KeysCVE-2026-109216 · 28 October 2026 | Medium 4.9 | 5.15.2 and earlier | 5.15.3 |
| Missing AuthorizationCVE-2026-109700 · 20 October 2026 | Medium 4.3 | 5.15.2 and earlier | 5.15.3 |
| Authenticated (Contributor+) Insecure Direct Object ReferenceCVE-2026-15248 · 2 August 2026 | Medium 4.3 | before 5.13.1 | 5.13.1 |
| Authenticated (Contributor+) Arbitrary File DeletionCVE-2026-39468 · 13 April 2026 | High 8.1 | 5.11.1 and earlier | 5.11.2 |
| Authenticated (Contributor+) Arbitrary File DeletionCVE-2025-14675 · 6 March 2026 | High 7.2 | 5.11.1 and earlier | 5.11.2 |
| Missing Authorization to Information ExposureCVE-2024-43235 · 9 August 2024 | Medium 4.3 | 5.9.10 and earlier | 5.9.11 |
| Authenticated (Contributor+) Information Exposure via Post MetaCVE-2024-1204 · 25 March 2024 | Medium 4.3 | 5.9.3 and earlier | 5.9.4 |
| Authenticated (Contributor+) Stored Cross-Site ScriptingCVE-2023-6526 · 5 February 2024 | Medium 6.4 | 5.9.2 and earlier | 5.9.3 |
| File Deletion via attachment_id ParameterCVE-2019-14793 · 2 February 2019 | High 8.1 | before 4.16.3 | 4.16.3 |
| Mishandling of File UploadCVE-2019-14794 · 1 February 2019 | High 7.5 | 4.16.1 and earlier | 4.16.2 |
If you run Meta Box
What to do now
- Check your version. In WordPress, go to Plugins and look under Meta Box. Compare it with the affected versions above.
- Update to 5.15.4 or later. Take a backup first, then update. If the update breaks something, you can restore the backup while you work out why.
- Check the rest of your site. One outdated plugin is rarely the only one. Our free security check looks at your WordPress version, and the plugins and theme it can see from the outside, for known flaws and emails you a report.
Pressfort keeps your plugins up to date for you, testing each update on a copy of your site first, and its virtual patching blocks attacks on newly disclosed flaws, often before a fix is out. If your site does get hacked, two clean-ups a year are included, with a developer stepping in when needed. See how it works.
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Data sources and licences
Vulnerability data comes from Wordfence Intelligence and is refreshed daily. Severity is the CVSS score given in each record. Pressfort is not affiliated with Wordfence or Defiant Inc.
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- Known vulnerability in 1 pluginGallery plugin, file upload flawUrgent
- WordPress is out of dateRunning 6.7.1, latest is 6.8.3To fix
- 6 plugins and 1 theme out of dateOldest is 14 months behindTo fix