CVE-2022-23466: teler is an real-time intrusion detection and threat alert dashboard

Routine

MEDIUM 5.4DOWNGRADE

CVE-2022-23466 is a medium-severity flaw (CVSS 5.4) affecting teler. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 paylo

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-12-06
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: teler project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-12-06 18:15 UTCPublished CVE record published
2026-06-17 04:30 UTCUpdated Record last modified

teler project teler DOWNGRADE

Affected: 2.0.0 dev · 2.0.0 rc · 2.0.0 rc2 · 2.0.0 rc3

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.0

1. Check installed version

apt-cache policy teler || rpm -q teler || teler --version

2. No fixed release: DOWNGRADE to a release before 2.0.0 (Debian / Ubuntu)

apt-cache madison teler sudo apt install teler=<VERSION_BEFORE_2.0.0> sudo apt-mark hold teler

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list teler sudo dnf downgrade teler-<VERSION_BEFORE_2.0.0> sudo dnf versionlock add teler

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-23466?

teler: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-23466 being exploited?

CVE-2022-23466 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-23466 affect?

CVE-2022-23466 affects teler. Severity is medium (CVSS 5.4). 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

How urgent is CVE-2022-23466?

Priority 28/100. No elevated risk signals yet.

Related CVEs

CVE-2020-26213 MEDIUM 5.9 UPGRADE In teler before version 0.0.1, if you run teler inside a Docker container and encounter `errors.Exit` function

References

← Back to latest CVEs