CVE-2026-55808

🔶 medium

Summary

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.

CVSS Score

5.4

Medium

EPSS Score

0.2

Exploit Probability

Published Date

2026-07-10

First Seen: 2026-07-11

📊 Relative Risk Intelligence

This CVE is Lower Risk - more severe than 22.4% of all 348,756 vulnerabilities in our database.

#270,762

Below average severity

Severity Percentile

🎯 CISA SSVC Assessment Updated: Jul 13, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Partial

Limited system impact

🏆 Discovered By

cantina_security BjÃ¶rn Brala (bbrala) (remediation developer) Kim Pepper (kim.pepper) (remediation developer) Lee Rowlands (larowlan) (remediation developer) Damien McKenna (damienmckenna) (coordinator) Greg Knaddison (greggles) (coordinator) Lee Rowlands (larowlan) (coordinator) Dave Long (longwave) (coordinator) Juraj Nemec (poker10) (coordinator) Jess (xjm) (coordinator)

SSVC data provided by CISA

Last Modified 2026-07-16

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CWE IDs (Weakness Types)

CWE-79

📦 Affected Products 4

Vendor	Product	Status	Affected Versions
drupal	drupal	Affected	< 10.5.12
drupal	drupal	Affected	> 10.6.0 < 10.6.11
drupal	drupal	Affected	> 11.0.0 < 11.2.14
drupal	drupal	Affected	> 11.3.0 < 11.3.12

🔗 References 1

https://www.drupal.org/sa-core-2026-009

Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-55803	🔶 medium	5.9	0.2	Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Drupal core allow...	2026-07-10
CVE-2026-55804	🔶 medium	5.9	0.2	Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Drupal Drupal core allow...	2026-07-10
CVE-2026-55806	🔶 medium	5.9	0.2	URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. This is...	2026-07-10
CVE-2026-55807	ℹ️ low	3.1	0.1	Server-Side Request Forgery (SSRF) vulnerability in Drupal Drupal core allows Server Side Request Forgery. This issue af...	2026-07-10
CVE-2026-9082	⛔ critical	9.8	88.3	Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Drupal Drupal core...	2026-05-20
CVE-2026-6365	🔶 medium	6.1	0.2	Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Drupal core...	2026-05-19

These CVEs affect the same products