CVE-2020-13672

lowpriority · track · 24EPSS 0.007 · 52 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.68% (52nd) EPSS

CVSS 2.6 · low

Is it mine?

20 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

Cross-site Scripting (XSS) vulnerability in Drupal core's sanitization API fails to properly filter cross-site scripting under certain circumstances. This issue affects: Drupal Core 9.1.x versions prior to 9.1.7; 9.0.x versions prior to 9.0.12; 8.9.x versions prior to 8.9.14; 7.x versions prior to 7.80.

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.6–6.1

v2.02.6lowAV:N/AC:H/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 4.9 · impact 2.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

affected products (20)

Products and version ranges known to be affected.

Drupal core7.x → 7.80enisa_euvdEU
Drupal core8.9.x → 8.9.14enisa_euvdEU
Drupal core9.0.x → 9.0.12enisa_euvdEU
Drupal core9.1.x → 9.1.7enisa_euvdEU
drupal drupal< 7.80nvdUScpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
drupal drupal8.9.0 → 8.9.14nvdUScpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
drupal drupal9.0.0 → 9.0.12nvdUScpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
drupal drupal9.1.0 → 9.1.7nvdUScpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*
Bitnami drupal< 7.80.0osvUSpkg:bitnami/drupal
Bitnami drupal8.9.0 → 8.9.14osvUSpkg:bitnami/drupal
Bitnami drupal9.0.0 → 9.0.12osvUSpkg:bitnami/drupal
Bitnami drupal9.1.0 → 9.1.7osvUSpkg:bitnami/drupal
Packagist drupal/core7.0.0 → 7.80osvUSpkg:composer/drupal/core
Packagist drupal/core8.0.0 → 8.9.14osvUSpkg:composer/drupal/core
Packagist drupal/core9.0.0 → 9.0.12osvUSpkg:composer/drupal/core
Packagist drupal/core9.1.0 → 9.1.7osvUSpkg:composer/drupal/core
Packagist drupal/drupal7.0.0 → 7.80osvUSpkg:composer/drupal/drupal
Packagist drupal/drupal8.0.0 → 8.9.14osvUSpkg:composer/drupal/drupal
Packagist drupal/drupal9.0.0 → 9.0.12osvUSpkg:composer/drupal/drupal
Packagist drupal/drupal9.1.0 → 9.1.7osvUSpkg:composer/drupal/drupal

advisories (3)

Vendor and ecosystem advisories describing this.

GHSA-3m36-mjwj-352cDrupal core Cross-site Scripting (XSS) vulnerability2022-02-12ghsa · osvUS
Cross-site Scripting (XSS) vulnerability in Drupal core's sanitization API fails to properly filter cross-site scripting under certain circumstances. This issue affects: Drupal Core 9.1.x versions prior to 9.1.7; 9.0.x versions prior to 9.0.12; 8.9.x versions prior to 8.9.14; 7.x versions prior to 7.80.
BIT-drupal-2020-136722024-03-06vendor · osvUS
Cross-site Scripting (XSS) vulnerability in Drupal core's sanitization API fails to properly filter cross-site scripting under certain circumstances. This issue affects: Drupal Core 9.1.x versions prior to 9.1.7; 9.0.x versions prior to 9.0.12; 8.9.x versions prior to 8.9.14; 7.x versions prior to 7.80.
DRUPAL-CORE-2021-0022021-04-21vendor · osvUS
Drupal core's sanitization API fails to properly filter cross-site scripting under certain circumstances. Not all sites and users are affected, but configuration changes to prevent the exploit might be impractical and will vary between sites. Therefore, we recommend all sites update to this release as soon as possible.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2022-02-11modified 2026-06-17

related (53,008)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-42897US	medium6.1OT critical	70.7% (99th)	KEV	2026-05-14
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network…
CVE-2025-66376US	medium6.1OT critical	20.2% (97th)	KEV	2026-01-05
Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message.
CVE-2025-68461US	medium6.1OT critical	27.4% (98th)	KEV	2025-12-18
Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a Cross-Site-Scripting (XSS) vulnerability via the animate tag in an SVG document.
CVE-2025-48700US	—OT critical	1.71% (77th)	KEV	2025-06-23
An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI allows attackers to exec…
CVE-2025-27915US	—OT critical	4.06% (91st)	KEV	2025-03-12
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A stored cross-site scripting (XSS) vulnerability exists in the Classic Web Client due to insufficient…

+53003 more

references (5)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan