DOM-based cross-site scripting (XSS) in teler dashboard
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
teler is an real-time intrusion detection and threat alert dashboard. teler prior to version 2.0.0-rc.4 is vulnerable to DOM-based cross-site scripting (XSS) in the teler dashboard. When teler requests messages from the event stream on the `/events` endpoint, the log data displayed on the dashboard are not sanitized. This only affects authenticated users and can only be exploited based on detected threats if the log contains a DOM scripting payload. This vulnerability has been fixed on version `v2.0.0-rc.4`. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Why it matters now
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 |
|---|---|---|---|---|---|
| kitabisa | teler | v2.0.0-rc to before v2.0.0-rc.4; = v2.0.0-dev | v2.0.0-rc.4 | Patch available | CNA |
| — | teler.app (Go) | 2.0.0-rc to before 2.0.0-rc.4 | 2.0.0-rc.4 | Patch available | GHSA-xr7p-8q82-878q |
| — | teler.app (Go) | 2.0.0-dev to before 2.0.0-dev.2 | 2.0.0-dev.2 | Patch available | GHSA-xr7p-8q82-878q |
| — | teler.app (Go) | 0.0.0-20220625162531-2289e90590a9 to before 0.0.0-20221203202318-20f59eda2420 | 0.0.0-20221203202318-20f59eda2420 | Patch available | GHSA-xr7p-8q82-878q |
| — | teler.app (Go) | 1.2.3-0.20220625162531-2289e90590a9 to before 1.2.3-0.20221203202318-20f59eda2420 | 1.2.3-0.20221203202318-20f59eda2420 | Patch available | GHSA-xr7p-8q82-878q |
- teler Vendorkitabisa Affected v2.0.0-rc to before v2.0.0-rc.4; = v2.0.0-dev Fixed in v2.0.0-rc.4 Patch available CNA
- teler.app (Go) Vendor— Affected 2.0.0-rc to before 2.0.0-rc.4 Fixed in 2.0.0-rc.4 Patch available GHSA-xr7p-8q82-878q
- teler.app (Go) Vendor— Affected 2.0.0-dev to before 2.0.0-dev.2 Fixed in 2.0.0-dev.2 Patch available GHSA-xr7p-8q82-878q
- teler.app (Go) Vendor— Affected 0.0.0-20220625162531-2289e90590a9 to before 0.0.0-20221203202318-20f59eda2420 Fixed in 0.0.0-20221203202318-20f59eda2420 Patch available GHSA-xr7p-8q82-878q
- teler.app (Go) Vendor— Affected 1.2.3-0.20220625162531-2289e90590a9 to before 1.2.3-0.20221203202318-20f59eda2420 Fixed in 1.2.3-0.20221203202318-20f59eda2420 Patch available GHSA-xr7p-8q82-878q
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:teler_project:teler:2.0.0:dev:*:*:*:*:*:* | 2.0.0 dev | Vulnerable | Teler Project |
| cpe:2.3:a:teler_project:teler:2.0.0:rc:*:*:*:*:*:* | 2.0.0 rc | Vulnerable | Teler Project |
| cpe:2.3:a:teler_project:teler:2.0.0:rc2:*:*:*:*:*:* | 2.0.0 rc2 | Vulnerable | Teler Project |
| cpe:2.3:a:teler_project:teler:2.0.0:rc3:*:*:*:*:*:* | 2.0.0 rc3 | Vulnerable | Teler Project |
- cpe:2.3:a:teler_project:teler:2.0.0:dev:*:*:*:*:*:* Versions 2.0.0 dev Vulnerable ·Teler Project
- cpe:2.3:a:teler_project:teler:2.0.0:rc:*:*:*:*:*:* Versions 2.0.0 rc Vulnerable ·Teler Project
- cpe:2.3:a:teler_project:teler:2.0.0:rc2:*:*:*:*:*:* Versions 2.0.0 rc2 Vulnerable ·Teler Project
- cpe:2.3:a:teler_project:teler:2.0.0:rc3:*:*:*:*:*:* Versions 2.0.0 rc3 Vulnerable ·Teler Project
Remediation
- Fix · CNA teler (kitabisa) Fixed in v2.0.0-rc.4
- Fix · GHSA-xr7p-8q82-878q teler.app (Go) Fixed in 2.0.0-rc.4 Advisory →
- Fix · GHSA-xr7p-8q82-878q teler.app (Go) Fixed in 2.0.0-dev.2 Advisory →
- Fix · GHSA-xr7p-8q82-878q teler.app (Go) Fixed in 0.0.0-20221203202318-20f59eda2420 Advisory →
- Fix · GHSA-xr7p-8q82-878q teler.app (Go) Fixed in 1.2.3-0.20221203202318-20f59eda2420 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-23466
- 2026-10-03 Alias added: GHSA-xr7p-8q82-878q
References
More kitabisa vulnerabilities
- TI-2023-11280 teler-waf subject to bypass of common web attack threat rule with HTML entities payload CVSS 3.1MEDIUM 6.5
- TI-2020-16034 Denial of Service in teler CVSS 3.1HIGH 7.5
- TI-2023-11281 teler-waf contains detection rule bypass via entities payload CVSS 3.1MEDIUM 6.5
Sources
- CVE-2022-23466 · CVE Program
- CVE-2022-23466 · NVD
- FIRST EPSS
- GHSA-xr7p-8q82-878q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences