CVE-2026-97336 json
CMB2 <= 2.13.0 - Unauthenticated Stored Cross-Site Scripting via 'file_list' Field Type
published last mo. modified last mo. also EUVD-2026-91241
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
Summary
The CMB2 plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'file_list' Field Type in all versions up to, and including, 2.13.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is only exploitable when an integrating plugin or theme registers a file_list field on a publicly accessible front-end form or a user meta box, as CMB2 is a developer library and does not expose these fields by default.
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last mo.
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
Affected products
- jtsternberg CMB2
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/2d61a1f1-137e-4856-b5ff-b100143a8b47?source=cve
- plugins.trac.wordpress.org /browser/cmb2/tags/2.13.0/includes/CMB2_Utils.php#L690
- plugins.trac.wordpress.org /browser/cmb2/tags/2.13.0/includes/types/CMB2_Type_File_List.php#L51
- plugins.trac.wordpress.org /browser/cmb2/tags/2.13.0/includes/CMB2_Field.php#L617
- plugins.trac.wordpress.org /browser/cmb2/tags/2.13.0/includes/CMB2_Field.php#L748
- plugins.trac.wordpress.org /browser/cmb2/tags/2.13.0/includes/CMB2_Sanitize.php#L100
- plugins.trac.wordpress.org /browser/cmb2/tags/2.13.0/includes/helper-functions.php#L320
- plugins.trac.wordpress.org /browser/cmb2/tags/2.13.0/includes/CMB2_Hookup.php#L953
- plugins.trac.wordpress.org /changeset?reponame=&old=3712103%40cmb2&new=3712103%40cmb2
Sources
- CVE List CVE-2026-97336
- NVD CVE-2026-97336
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.