Feed Block - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-137
Summary
| CVE | CVE-2026-87939 |
|---|---|
| State | PUBLISHED |
| Assigner | drupal |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-22 02:17:03 UTC |
| Updated | 2026-10-22 02:17:03 UTC |
| Description | Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Feed Block allows Stored XSS. This issue affects Feed Block versions: from 0.0.0 to 2.0.2, from 3.0.0 to 3.0.2. |
Risk And Classification
Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting")
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Drupal | Feed Block | affected 0.0.0 2.0.2 semver | Not specified |
| CNA | Drupal | Feed Block | affected 3.0.0 3.0.2 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.drupal.org/sa-contrib-2026-137 | [email protected] | www.drupal.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Marcus Johansson (marcus_johansson) (en)
CNA: Greg Knaddison (greggles) (en)
CNA: Mark Fullmer (mark_fullmer) (en)
CNA: mmarler (en)
CNA: Bram Driesen (bramdriesen) (en)
CNA: Greg Knaddison (greggles) (en)
CNA: Juraj Nemec (poker10) (en)
CNA: Jess (xjm) (en)
CNA: Swan Kalata (akalata) (en)
There are currently no legacy QID mappings associated with this CVE.