Security incident · CVE-2026-113712
Cachet has Stored XSS in Incident Component
Published Oct 20, 2026 · catalog updated Oct 23, 2026 · Cachet has Stored XSS
Last checked Nov 6, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-113712. EPSS is 0.46%. Act only if a listed version of Cachet has Stored XSS is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (Cachet has Stored XSS).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2023-43661 · High
- Severity
- Medium4.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.46%
- Remediation
- Version ranges on file
- Affected products
- Packagist cachethq/cachet · composer cachethq/cachet · vendor cachethq cachet
### Summary A stored Cross-Site Scripting (XSS) vulnerability exists 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. ### Details The incident Name and Message fields do not properly sanitize HTML event handler attributes. While tags appear to be filtered, event-based payloads are not blocked. Affected endpoint: /dashboard/incidents/ Affected fields: Incident Name, Incident Message Affected version: Cachet v3 ### PoC 1. Log in as an authenticated user 2. Navigate to /dashboard/incidents/ 3. Create a new incident 4. Insert the following payloads in the Name and Message field: Payload 1 — Confirm XSS execution: Step 2 — Cookie/token exfiltration: Step 3 — Forced redirect to sensitive page: 5. Save the incident 6. Navigate to the public status page 7. Payload executes in the victim's browser ### Payload 1 ### Payload 2 Stored XSS affecting all users who view the public status page. An attacker can: - Confirm script execution via alert popup - Steal session cookies and XSRF tokens from authenticated users - Silently redirect victims to sensitive pages like This vulnerability could lead to full account takeover of any user who views the status page, including administrators.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- Packagist cachethq/cachet0 → 2.4.1
- composer cachethq/cachet<= 2.4.1
- vendor cachethq cachetversion unspecified
How to fix CVE-2026-113712
Upgrade
CVE-2026-113712 lists a fix boundary at 2.4.1. Compare the installed build with that boundary before you change production.
Version check
Affected <= 2.4.1
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-113712. EPSS is 0.46%. Act only if a listed version of Cachet has Stored XSS is installed.
Which versions are affected?
Compare what you have installed with 0 → 2.4.1, <= 2.4.1. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-79: Cross-site Scripting (XSS). EPSS 0.46%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Oct 20, 2026 · GitHub Advisory Database
Detected
### Summary A stored Cross-Site Scripting (XSS) vulnerability exists 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. ### Details The incident Name and Message fields do not properly sanitize HTML event handler att
Oct 20, 2026 · GitHub Advisory Database
Fix available
cachethq/cachet fixed in 2.4.1
Oct 20, 2026 · GitHub Advisory Database
Updated
### Summary A stored Cross-Site Scripting (XSS) vulnerability exists 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. ### Details The incident Name and Message fields do not properly sanitize HTML event handler att
Oct 23, 2026 · NIST NVD
Updated
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 57b44a8bac0b250b0d5751e93e0349
Sources
- CVE.orgVulnerability recordCVE-2026-113712
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
cve.org - FIRST EPSSExploitation probabilityCVE-2026-113712
30-day exploitation probability 0.46%
first.org - GitHub Advisory DatabasePackage advisoryGHSA-x397-5hrv-j9m9
Cachet has Stored XSS in Incident Component
github.com - NIST NVDVulnerability recordCVE-2026-113712
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
nvd.nist.gov - OpenSSF OSV / OSV ScannerPackage advisoryGHSA-x397-5hrv-j9m9
Cachet has Stored XSS in Incident Component
osv.dev
References
Freshness
Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 6, 2026
- NIST NVDOct 23, 2026
- GitHub Advisory DatabaseOct 21, 2026
- CVE.orgOct 21, 2026
- OpenSSF OSV / OSV ScannerOct 21, 2026