Advisory record · GHSA-fg8x-q69g-4qp3

Drupal Reverse Proxy Header allows Manipulating User-Controlled Variables

CVSS 5.3 MediumEPSS 0.0030 · 23rd percentile

Published by the GitHub Advisory Database at 30 Oct 2025, 00:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
drupal/reverse_proxy_headerPackagist<1.1.21.1.2
Identifiers
GHSA-fg8x-q69g-4qp3 · CVE-2025-10929 · DRUPAL-CONTRIB-2025-111 · PKSA-zp2q-9sfp-d51m
Weakness (CWE)
CWE-1288
Published
30 Oct 2025
Updated
10 Dec 2025

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The drupal/reverse_proxy_header module is vulnerable in versions before 1.1.2. The source gives few details: it describes improper validation of consistency within input, which allows manipulation of user-controlled variables. Upgrade to version 1.1.2 or later.

Written 3 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.0030, the 23rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:26 UTC First seen by agentprime
  2. 31 Oct 2026, 14:26 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.