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MEDIUM severity

CVE-2018-17184 — syncope-core

MEDIUM

CVE-2018-17184 is a medium-severity (CVSS 5.4) Cross-site Scripting (XSS) vulnerability in org.apache.syncope:syncope-core. A fix is available for org.apache.syncope:syncope-core — see the affected versions and patch details below.

Improper Control of Interaction Frequency in Apache syncope-core

Also known asGHSA-9h9c-f287-c6vp
Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed
Exploitation data as of Nov 7, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.2%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs68th percentile — riskier than 68% of all scored CVEsHighest risk
0.50%0.90%1.30%1.70%1.0%1.2%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

2 pkgs affected
☕org.apache.syncope:syncope-core☕org.apache.syncope:syncope-core

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

Description

A malicious user with enough administration entitlements can inject html-like elements containing JavaScript statements into Connector names, Report names, AnyTypeClass keys and Policy descriptions. When another user with enough administration entitlements edits one of the Entities above via Admin Console, the injected JavaScript code is executed.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.apache.syncope:syncope-coreall versions2.0.11org.apache.syncope:syncope-core:2.0.11
☕Mavenorg.apache.syncope:syncope-core≥ 2.1.0&&< 2.1.22.1.2org.apache.syncope:syncope-core:2.1.2

Affected Products

1 product · 2 configurations
Application
syncopeapache
≥ 2.1.0 && < 2.1.2
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Fix

    Update org.apache.syncope:syncope-core to 2.0.11 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2018-17184 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

A malicious user with enough administration entitlements can inject html-like elements containing JavaScript statements into Connector names, Report names, AnyTypeClass keys and Policy descriptions. When another user with enough administration entitlements edits one of the Entities above via Admin Console, the injected JavaScript code is executed.
O3 Security · Impact-Aware SCA

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CVE-2018-17184: syncope-core — Fixed in 2.0.11