Vulnerability Details : CVE-2021-32683
wire-webapp is the web version of Wire, an open-source messenger. A cross-site scripting vulnerability exists in wire-webapp prior to version 2021-06-01-production.0. If a user is instructed to open an image in a new tab (right click -> open in new tab, or copy the URL and paste it in the URL bar), an the image payload is executed on the domain hosting the app (app.wire.com). In particular, if an image contains malicious code in addition to the actual picture, this code is executed on app.wire.com. This allows the attacker to fully control the user account. The vulnerability was patched in version 2021-06-01-production.0. As a workaround, users should not try to open image URLs.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-32683
- cpe:2.3:a:wire:wire-webapp:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-32683
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 31 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-32683
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST | |
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
GitHub, Inc. |
CWE ids for CVE-2021-32683
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Primary)
- security-advisories@github.com (Secondary)
References for CVE-2021-32683
-
https://github.com/wireapp/wire-webapp/security/advisories/GHSA-382j-mmc8-m5rw
XSS through createObjectURL · Advisory · wireapp/wire-webapp · GitHubPatch;Third Party Advisory
-
https://github.com/wireapp/wire-webapp/commit/056e39d327bb10c1b0958dfbea0c39752692a1b0
refactor: Remove jpeg-large support · wireapp/wire-webapp@056e39d · GitHubExploit;Third Party Advisory
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