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VulnerabilityPublished

CVE-2025-10926: Drupal JSON Field · Cross-site Scripting

Affects Drupal JSON FieldSource CVE Database V5

0

Not known to be exploited · CVSS 6.1 Medium.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Packagistdrupal/json_fieldpkg:composer/drupal/json_fieldOther threatsAffected
  • =0.0.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

  1. Immediately upgrade the Drupal JSON Field module to version 1.5 or later, where the vulnerability is fixed.
  2. Implement strict input validation on all JSON data fields to ensure only expected data types and formats are accepted.
  3. Apply proper output encoding/escaping techniques when rendering user-supplied data in web pages to prevent script execution.
  4. Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts in browsers.
  5. Conduct security audits and code reviews focusing on input handling and output generation in custom Drupal modules or themes.
  6. Educate users and administrators about phishing risks and encourage cautious behavior regarding unsolicited links or content.
  7. Monitor web application logs for unusual activity that could indicate exploitation attempts.
  8. Utilize web application firewalls (WAFs) with rules targeting XSS attack patterns to provide an additional layer of defense.
  9. Regularly update Drupal core and contributed modules to incorporate security patches promptly.
  10. Consider deploying security scanners that can detect XSS vulnerabilities in web applications.

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal JSON Field allows Cross-Site Scripting (XSS).This issue affects JSON Field: from 0.0.0 before 1.5.

References

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