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💎 RubyGems
Not in CISA KEV
MEDIUM severity

rails_admin ruby gem XSSGHSA-pxr8-w3jq-rcwj

MEDIUM

GHSA-pxr8-w3jq-rcwj is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in rails_admin. 3 public exploit or proof-of-concept references are indexed, so weaponization risk is real. A fix is available for rails_admin — see the affected versions and patch details below.

Also known asCVE-2017-12098
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
3 known
Exploitation data as of Nov 8, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs70th percentile — riskier than 70% of all scored CVEsHighest risk
0.00%0.59%1.19%1.78%0.4%1.3%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
💎rails_admin

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects RubyGems packages — download data is not available via public APIs for these ecosystems.

Description

An exploitable cross site scripting (XSS) vulnerability exists in the add filter functionality of the rails_admin rails gem version 1.2.0. A specially crafted URL can cause an XSS flaw resulting in an attacker being able to execute arbitrary javascript on the victim's browser. An attacker can phish an authenticated user to trigger this vulnerability.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
💎RubyGemsrails_adminall versions1.3.0bundle update rails_admin --conservative

Affected Products

1 product · 1 configurations
Application
rails adminrails_admin_project
1 version
1.2.0
Exploits & PoCs
3

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

An exploitable cross site scripting (XSS) vulnerability exists in the ad…

talosintelligence.comNVDFeb 2018

Report on talosintelligence.com

talosintelligence.comAwesomePocJun 2020

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for rails_admin, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update rails_admin to 1.3.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-pxr8-w3jq-rcwj is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

An exploitable cross site scripting (XSS) vulnerability exists in the add filter functionality of the rails_admin rails gem version 1.2.0. A specially crafted URL can cause an XSS flaw resulting in an attacker being able to execute arbitrary javascript on the victim's browser. An attacker can phish an authenticated user to trigger this vulnerability.
O3 Security · Impact-Aware SCA

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rails_admin ruby gem XSS (Medium 6.1)