5.4

CVE-2026-55808: drupal Cross-site Scripting

CVSS: 5.4v3.1MediumAnalyzed
Published 10-07-2026Last modified 13-07-2026
Open JSON

Vulnerability summary

CVE-2026-55808 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in drupal. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.5% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.27%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 10-07-2026
    PublishedVulnerability first disclosed.
  2. 13-07-2026
    Last modifiedVulnerability information updated.

Description

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

0.00 pp

From 0.27% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.27%

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< 10.5.12 | ≥ 10.6.0, < 10.6.11 | ≥ 11.0.0, < 11.2.14 | ≥ 11.3.0, < 11.3.12
  • drupal core≥ 0.0.0, < 10.5.12 | ≥ 10.6.0, < 10.6.11 | ≥ 11.2.0, < 11.2.14 | ≥ 11.3.0, < 11.3.12 | ≥ 0.0.0, < 11.0.* | ≥ 0.0.0, < 11.1.*

1 vendor · 2 products

References

1 links