What is CVE-2023-31145?

CVE-2023-31145 is a medium-severity vulnerability in Collaboraonline Online, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2023-05-15.

How severe is CVE-2023-31145?

Medium severity. CVSS v3 base score is 4.3 out of 10.

XSS in Collaboraonline Online

CVE-2023-31145

Collabora Online is a collaborative online office suite based on LibreOffice technology. This vulnerability report describes a reflected XSS vulnerability with full CSP bypass in Nextcloud installations using the recommended bundle. The vu…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.013 (80.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Collaboraonline Online — versions < 6.4.27, >= 21.0.0, < 21.11.9, >= 22.0.0, < 22.05.13

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/CollaboraOnline/online/security/advisories/GHSA-rqj2-2c2x-gjmm (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2023-31145?: CVE-2023-31145 is a medium-severity vulnerability in Collaboraonline Online, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2023-05-15.
How severe is CVE-2023-31145?: Medium severity. CVSS v3 base score is 4.3 out of 10.