Read the docs

Stored cross-site scripting in Drupal Black Hole

Priority LOW 30CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

Drupal Black Hole versions from 0.0.0 before 1.26.0 and from 2.0.0 before 2.0.1 are affected. Improper neutralization of input during web page generation (CWE-79) lets stored script be saved in the module's output. A remote attacker without privileges can store script that runs in a user's browser when that user interacts with the affected page. The source does not report exploitation.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Black Hole allows Stored XSS. This issue affects Black Hole versions: from 0.0.0 to 1.26.0, from 2.0.0 to 2.0.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00191 8th percentileScored 2026-11-07
Fix Fixed Black Hole (Drupal): 1.26.0, 2.0.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DrupalBlack Hole0.0.0 to before 1.26.0; 2.0.0 to before 2.0.11.26.0, 2.0.1Patch availableCNA
  • Black Hole VendorDrupal Affected 0.0.0 to before 1.26.0; 2.0.0 to before 2.0.1 Fixed in 1.26.0, 2.0.1 Patch available CNA

Remediation

Upgrade Black Hole to 1.26.0 for the 1.x branch and to 2.0.1 for the 2.x branch, as listed in Drupal security advisory SA-CONTRIB-2026-223.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA Black Hole (Drupal) Fixed in 1.26.0, 2.0.1

Timeline

  1. 2026-10-30 Threatist record created from CVE-2026-114526
  2. 2026-10-30 Alias added: GHSA-8j7f-9vj8-grqv
  3. 2026-11-06 CVSS score added · CISA ADP
  4. 2026-11-06 CISA SSVC decision points changed

References

  • TI-2026-07979 Drupal core - Highly critical - SQL injection - SA-CORE-2026-004 KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-05494 Drupal core - Highly critical - Remote Code Execution - SA-CORE-2018-004 KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-05493 Improper input validation in Drupal before 7.58, 8.x before 8.3.9, 8.4.x before 8.4.6… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-10731 Unrestricted file upload in Drupal Core KEVCVSS 3.1HIGH 8.8
  • TI-2019-04505 Drupal core - Highly critical - Remote Code Execution KEVCVSS 3.1HIGH 8.1
  • TI-2020-17477 Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks… KEVCVSS 3.1HIGH 7.8
See all 941 →

Sources