6.1

CVE-2020-13666: drupal Cross-site Scripting

CVSS: 6.1v3.1MediumModified
AliasesUBUNTU-CVE-2020-13666
Published 05-05-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-13666 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in drupal. EPSS estimates a 2.93% chance of exploitation in the next 30 days, higher than 86.8% of scored vulnerabilities.

Overall risk
25/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
2.93%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1
DLA-2458-1

Timeline

  1. 05-05-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

2.93%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.93% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.93%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Drupal2 products
  • drupal≥ 7.0, < 7.73 | ≥ 8.8.0, < 8.8.10 | ≥ 8.9.0, < 8.9.6 | ≥ 9.0.0, < 9.0.6
  • drupal core≥ 7.x, < 7.73 | ≥ 8.8.x, < 8.8.10 | ≥ 8.9.x, < 8.9.6 | ≥ 9.0.x, < 9.0.6
Ubuntu1 product
  • drupal7All versions (No fix recorded)

2 vendors · 3 products

References

4 links