CVE-2020-13672
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Cross-site scripting vulnerability in Drupal core's sanitization API allows XSS under certain circumstances, affecting multiple versions.
Vulnerability
Cross-site Scripting (XSS) vulnerability in Drupal core's sanitization API fails to properly filter cross-site scripting under certain circumstances. This affects Drupal Core 9.1.x versions prior to 9.1.7, 9.0.x prior to 9.0.12, 8.9.x prior to 8.9.14, and 7.x prior to 7.80. [2]
Exploitation
Not yet disclosed in the available references. The official description only states that the sanitization API fails to properly filter XSS under certain circumstances, but no specific exploitation steps are provided. [2]
Impact
An attacker could potentially execute arbitrary JavaScript in the context of a victim's browser, leading to information disclosure, session hijacking, or other client-side attacks. The exact impact depends on the application context. [2]
Mitigation
Update to Drupal Core 9.1.7, 9.0.12, 8.9.14, or 7.80 or later, as these versions contain the fix. [2] [3] [4]
AI Insight generated on May 21, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
drupal/corePackagist | >= 7.0.0, < 7.80 | 7.80 |
drupal/corePackagist | >= 8.0.0, < 8.9.14 | 8.9.14 |
drupal/corePackagist | >= 9.0.0, < 9.0.12 | 9.0.12 |
drupal/corePackagist | >= 9.1.0, < 9.1.7 | 9.1.7 |
drupal/drupalPackagist | >= 7.0.0, < 7.80 | 7.80 |
drupal/drupalPackagist | >= 8.0.0, < 8.9.14 | 8.9.14 |
drupal/drupalPackagist | >= 9.0.0, < 9.0.12 | 9.0.12 |
drupal/drupalPackagist | >= 9.1.0, < 9.1.7 | 9.1.7 |
Affected products
4- osv-coords3 versions
< 7.80.0+ 2 more
- (no CPE)range: < 7.80.0
- (no CPE)range: >= 7.0.0, < 7.80
- (no CPE)range: >= 7.0.0, < 7.80
- Drupal/Corev5Range: 9.1.x
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
5- github.com/advisories/GHSA-3m36-mjwj-352cghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-13672ghsaADVISORY
- github.com/FriendsOfPHP/security-advisories/blob/master/drupal/core/CVE-2020-13672.yamlghsaWEB
- github.com/FriendsOfPHP/security-advisories/blob/master/drupal/drupal/CVE-2020-13672.yamlghsaWEB
- www.drupal.org/sa-core-2021-002ghsax_refsource_CONFIRMWEB
News mentions
0No linked articles in our index yet.