Vulnerability · Published Dec 29, 2022 · Assigned by GitHub_M

CVE-2022-46181Gotify server XSS vulnerability in the application image file upload

Medium 6.1

In plain English

A medium-severity cross-site scripting in server from gotify. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)0.5%top 54.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Gotify server is a simple server for sending and receiving messages in real-time per WebSocket. Versions prior to 2.2.2 contain an XSS vulnerability that allows authenticated users to upload .html files. An attacker could execute client side scripts **if** another user opened a link. The attacker could potentially take over the account of the user that clicked the link. The Gotify UI won't natively expose such a malicious link, so an attacker has to get the user to open the malicious link in a context outside of Gotify. The vulnerability has been fixed in version 2.2.2. As a workaround, you can block access to non image files via a reverse proxy in the `./image` directory.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Go	github.com/gotify/server	2.2.2	GHSA-xv6x-456v-24xh
Go	github.com/gotify/server	no fix listed	GO-2022-1208
Go	github.com/gotify/server/v2	2.2.2	GO-2022-1208

Affected products (as reported)

Vendor	Product	Versions
gotify	server	< 2.2.2

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

References

https://github.com/gotify/server/security/advisories/GHSA-xv6x-456v-24xh x_refsource_CONFIRM
https://github.com/gotify/server/pull/534 x_refsource_MISC
https://github.com/gotify/server/pull/535 x_refsource_MISC