CVE-2023-31145 is a reflected cross-site scripting (XSS) vulnerability with a full Content Security Policy (CSP) bypass affecting Collabora Online, specifically in Nextcloud installations using the recommended bundle. This medium-severity vulnerability (CVSS 6.1) allows attackers to inject malicious code, leading to trivial account takeover by stealing credentials or performing unauthorized actions. While there are no known workarounds, patches are available in versions 22.05.13, 21.11.9, and 6.4.27, and users are advised to upgrade. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 6.4.27CPE matchmatch criteria | cpe:2.3:a:collabora:online:*:*:*:*:*:*:*:* | ||
>= 21.06.2, < 21.11.9CPE matchmatch criteria | cpe:2.3:a:collabora:online:*:*:*:*:*:*:*:* | ||
>= 22.05.0, < 22.05.13CPE matchmatch criteria | cpe:2.3:a:collabora:online:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.