Vulnerability · Published Jul 23, 2024 · Assigned by GitHub_M

CVE-2024-41663Canarytoken "Cloned Website" Vulnerable to Stored Cross-Site Scripting

Low 3.5

In plain English

A low-severity cross-site scripting in canarytokens from thinkst. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).

Severity (CVSS 3.1)3.5Low

Exploit odds (30 days)0.3%top 71.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Canarytokens help track activity and actions on a network. A Cross-Site Scripting vulnerability was identified in the "Cloned Website" Canarytoken, whereby the Canarytoken's creator can attack themselves. The creator of a slow-redirect Canarytoken can insert Javascript into the destination URL of their slow redirect token. When the creator later browses the management page for their own Canarytoken, the Javascript executes. This is a self-XSS. An attacker could create a Canarytoken with this self-XSS, and send the management link to a victim. When they click on it, the Javascript would execute. However, no sensitive information (ex. session information) will be disclosed to the malicious actor. This issue is now patched on Canarytokens.org. Users of self-hosted Canarytokens installations can update by pulling the latest Docker image, or any Docker image after `sha-097d91a`.

Affected products (as reported)

Vendor	Product	Versions
thinkst	canarytokens	< sha-8ea5315

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

References

https://github.com/thinkst/canarytokens/security/advisories/GHSA-xj9h-3j9c-c95h x_refsource_CONFIRM