Vulnerability · Published Oct 29, 2025 · Assigned by drupal
CVE-2025-10929Reverse Proxy Header - Less critical - Access bypass - SA-CONTRIB-2025-111
Medium 5.3
In plain English
A medium-severity security flaw in Reverse Proxy Header from Drupal. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 76.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Improper Validation of Consistency within Input vulnerability in Drupal Reverse Proxy Header allows Manipulating User-Controlled Variables.This issue affects Reverse Proxy Header: from 0.0.0 before 1.1.2.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | drupal/reverse_proxy_header | 1.1.2 | GHSA-fg8x-q69g-4qp3 |
| Packagist:https://packages.drupal.org/8 | drupal/reverse_proxy_header | 1.1.2 | DRUPAL-CONTRIB-2025-111 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Drupal | Reverse Proxy Header | 0.0.0 – before 1.1.2 |
Weakness: CWE-1288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L