Stored cross-site scripting in Cachet incident form
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
Cachet versions through 2.4.1, including the Packagist package cachethq/cachet, contain a stored cross-site scripting flaw in the incident creation form (CWE-79). An authenticated attacker can inject HTML and JavaScript that runs in the browser of any user who views the status page, which can lead to session token theft and account takeover.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Description from the CNA
Cachet is an open-source status page system. Versions 2.4.1 and earlier have a stored Cross-Site Scripting (XSS) vulnerability in the incident creation form, allowing an authenticated attacker to inject malicious HTML/JavaScript that executes in the browser of any user who views the status page, potentially leading to session token theft and account takeover. Commits 57b44a8bac0b250b0d5751e93e0349070d14606e and 23adbb88ffa819f92be4a905ff1d812670d980a2 in `cachethq/core` patch the issue.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| cachethq | cachet | up to 2.4.1 | — | No fix listed | CNA |
| — | cachethq/cachet (Packagist) | up to 2.4.1 | — | No fix listed | GHSA-x397-5hrv-j9m9 |
- cachet Vendorcachethq Affected up to 2.4.1 Fixed in — No fix listed CNA
- cachethq/cachet (Packagist) Vendor— Affected up to 2.4.1 Fixed in — No fix listed GHSA-x397-5hrv-j9m9
Remediation
The sources list no fixed version for Cachet. Commits 57b44a8bac0b250b0d5751e93e0349070d14606e and 23adbb88ffa819f92be4a905ff1d812670d980a2 in cachethq/core patch the issue.
Written with Claude Haiku 5.5 from the sources below · 2026-11-06
Vendor assessments
Timeline
- 2026-10-20 Threatist record created from CVE-2026-113712
- 2026-10-21 Alias added: GHSA-x397-5hrv-j9m9
- 2026-10-21 Affected versions changed · GHSA-x397-5hrv-j9m9
- 2026-10-21 CVSS score added · GHSA-x397-5hrv-j9m9
- 2026-10-21 Weakness changed · GHSA-x397-5hrv-j9m9
- 2026-10-21 4 new references · GHSA-x397-5hrv-j9m9
- 2026-10-23 CISA SSVC decision points changed
- 2026-10-23 Priority changed: LOW → MEDIUM
- 2026-11-06 Affected versions changed · Red Hat
- 2026-11-06 CVSS score added · Red Hat
References
More cachethq vulnerabilities
- TI-2026-48523 Cachet 2.4.1 Authenticated Server-Side Template Injection RCE CVSS 4.0HIGH 8.7
Sources
- CVE-2026-113712 · CVE Program
- CVE-2026-113712 · NVD
- FIRST EPSS
- GHSA-x397-5hrv-j9m9 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-113712 · Red Hat security data · CC BY 4.0
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