Advisory record · GHSA-x397-5hrv-j9m9

Cachet has Stored XSS in Incident Component

CVSS 4.8 MediumEPSS 0.0046 · 40th percentile

Published by the GitHub Advisory Database at 20 Oct 2026, 21:09 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
cachethq/cachetPackagist<=2.4.1No fixed version yet
Identifiers
GHSA-x397-5hrv-j9m9 · CVE-2026-113712 · PKSA-b73h-txx9-5t8m
Weakness (CWE)
CWE-79
Published
20 Oct 2026
Updated
20 Oct 2026

Machine-written summary

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

Cachet, the Packagist package cachethq/cachet, is affected in versions up to and including 2.4.1. An authenticated user who can create incidents can store HTML containing event-handler attributes in the incident Name and Message fields, which the source says are not sanitized, so script runs in the browser of anyone who views the public status page. The source describes possible session token theft and account takeover, including of administrators. No fixed version is listed in the advisory.

Written 31 Oct 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
4.8 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0046, the 40th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 13:53 UTC First seen by agentprime
  2. 31 Oct 2026, 13:53 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.