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CVE-2020-13666

MEDIUM
6.1
CVSS Score
Published: May 5, 2021 at 01:50 PM UTC
Updated: June 17, 2026 at 02:53 AM UTC
1 product affected across 1 vendorDrupal

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Severity
MEDIUM6.1
Exploit prediction
EPSS 3%

Description

Cross-site scripting vulnerability in Drupal Core. Drupal AJAX API does not disable JSONP by default, allowing for an XSS attack. This issue affects: Drupal Drupal Core 7.x versions prior to 7.73; 8.8.x versions prior to 8.8.10; 8.9.x versions prior to 8.9.6; 9.0.x versions prior to 9.0.6.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Drupal· Drupaldrupal
95%
7.0 ≤ v < 7.737.x ≤ v < 7.738.8.0 ≤ v < 8.8.108.8.x ≤ v < 8.8.108.9.0 ≤ v < 8.9.68.9.x ≤ v < 8.9.69.0.0 ≤ v < 9.0.69.0.x ≤ v < 9.0.67.x8.8.x8.9.x9.0.x
Affected range stops below 7.73, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.8.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.9.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.0.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.drupal.org/sa-core-2020-007

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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