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Advisory record · GHSA-vg6x-pchq-98mg

OpenCMS Cross-Site Scripting vulnerability

CVSS 6.4 MediumEPSS 0.0028 · 21st percentile

Published by the GitHub Advisory Database at 30 May 2024, 19:49 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.opencms:opencms-coreMaven>=16.0, <17.017.0
Identifiers
GHSA-vg6x-pchq-98mg · CVE-2024-5520
Weakness (CWE)
CWE-79
Tags
Published
30 May 2024
Updated
30 May 2024

Machine-written summary

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

Two cross-site scripting vulnerabilities affect org.opencms:opencms-core versions 16.0 up to, but not including, 17.0. An attacker with privileges to create and modify web pages in the admin panel can run malicious JavaScript by inserting code into the title field, and a gallery editor or VFS resource manager can upload SVG images containing JavaScript that runs when another user views the image. Upgrade to version 17.0.

Written 8 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
6.4 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N CNA (INCIBE)
  • CISA KEV Not listed.
  • EPSS 0.0028, the 21st percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:13 UTC First seen by agentprime
  2. 31 Oct 2026, 15:13 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.