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Advisory record · GHSA-mmx8-vrfg-hfmq

Piranha CMS Cross-site Scripting vulnerability

CVSS 4.7 MediumEPSS 0.0046 · 39th percentile

Published by the GitHub Advisory Database at 20 Dec 2024, 21:30 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
PiranhaNuGet<=11.1.0No fixed version yet
Identifiers
GHSA-mmx8-vrfg-hfmq · CVE-2024-55341
Weakness (CWE)
CWE-79
Tags
Published
20 Dec 2024
Updated
20 Dec 2024

Machine-written summary

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

Piranha CMS versions up to and including 11.1.0 are affected by a stored cross-site scripting vulnerability. A remote attacker who can create a page in the manager, and add markdown content containing a script payload, can run arbitrary JavaScript in the browser of a user who views that content. No fixed version is listed.

Written 9 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
4.7 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS 0.0046, the 39th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 15:22 UTC First seen by agentprime
  2. 31 Oct 2026, 15:22 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.