HTML injection in the Canarytoken Google Chat notification
Priority LOW 11CWE-74Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
An HTML injection vulnerability exists in the Google Chat webhook notification sent by Thinkst Applied Research Canarytokens, enabling Interface Manipulation in Google Chat. An attacker can insert limited HTML content including links. This issue affects Canarytokens: from Docker tag sha-4aef1db90 before sha-8ab4dccd, from Git commit 4aef1db90 before 8ab4dccd.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00444 38th percentileScored 2026-11-07
Fix Fixed Canarytokens (Thinkst Applied Research): sha-8ab4dccd
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 |
|---|---|---|---|---|---|
| Thinkst Applied Research | Canarytokens | sha-4aef1db90 to before sha-8ab4dccd | sha-8ab4dccd | Patch available | CNA |
- Canarytokens VendorThinkst Applied Research Affected sha-4aef1db90 to before sha-8ab4dccd Fixed in sha-8ab4dccd Patch available CNA
Remediation
- Fix · CNA Canarytokens (Thinkst Applied Research) Fixed in sha-8ab4dccd
Timeline
- 2026-10-02 Threatist record created from CVE-2026-12888
More Thinkst Applied Research vulnerabilities
- TI-2026-13810 Denial-of-Service in OpenCanary's MongoDB module CVSS 4.0MEDIUM 6.9
- TI-2026-58544 Denial-of-Service in the Thinkst Canary Redis service CVSS 3.1LOW 3.7
- TI-2026-58543 Denial-of-Service in the OpenCanary Redis service CVSS 3.1LOW 3.7
- TI-2026-10234 HTML injection in the Canarytoken links email CVSS 4.0LOW 2.0
- TI-2026-11158 Stored Cross-Site Scripting in Canarytokens.org CVSS 4.0LOW 1.1
- TI-2026-09225 HTML injection in the notification email for "Slow Redirect" and "Cloned Website" Canarytokens CVSS 4.0LOW 1.2
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences