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MEDIUM severity

CVE-2023-29016 — viewer-core

MEDIUMFix: intranda/goobi-viewer-core@8eadb32

CVE-2023-29016 is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in io.goobi.viewer:viewer-core. A fix is available for io.goobi.viewer:viewer-core — see the affected versions and patch details below.

Goobi viewer Core has Cross-Site Scripting Vulnerability in User Nicknames

Also known asGHSA-2r9r-8fcg-m38g
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 6, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2023-29016.

EPSS Exploitation Probability

via FIRST.org ↗
0.4%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs39th percentile — riskier than 39% of all scored CVEsHighest risk
0.00%0.45%0.89%1.34%0.8%0.4%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
☕io.goobi.viewer:viewer-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

The Goobi viewer is a web application that allows digitised material to be displayed in a web browser. A cross-site scripting vulnerability has been identified in Goobi viewer core prior to version 23.03 when using nicknames. An attacker could create a user account and enter malicious scripts into their profile's nickname, resulting in the execution in the user's browser when displaying the nickname on certain pages. The vulnerability has been fixed in version 23.03.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenio.goobi.viewer:viewer-coreall versions23.03io.goobi.viewer:viewer-core:23.03

Affected Products

1 product · 1 configurations
Application
goobi viewer coreintranda
< 23.03
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 io.goobi.viewer:viewer-core, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update io.goobi.viewer:viewer-core to 23.03 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2023-29016 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

The Goobi viewer is a web application that allows digitised material to be displayed in a web browser. A cross-site scripting vulnerability has been identified in Goobi viewer core prior to version 23.03 when using nicknames. An attacker could create a user account and enter malicious scripts into their profile's nickname, resulting in the execution in the user's browser when displaying the nickname on certain pages. The vulnerability has been fixed in version 23.03.
O3 Security · Impact-Aware SCA

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CVE-2023-29016: viewer-core XSS — Fixed in 23.03