What is CVE-2021-32745?

CVE-2021-32745 is a high-severity vulnerability in Collabora Online, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2021-07-21.

How severe is CVE-2021-32745?

High severity. CVSS v3 base score is 7.3 out of 10.

XSS in Collabora Online

CVE-2021-32745

Collabora Online is a collaborative online office suite. A reflected XSS vulnerability was found in Collabora Online prior to version 6.4.9-5. An attacker could inject unescaped HTML into a variable as they created the Collabora Online iframe, and execute scripts inside the context of the Collabora Online iframe. This would give access to a small set of user settings stored in the browser, as well as the session's authentication token which was also passed in at iframe creation time. The issue is patched in Collabora Online 6.4.9-5. Collabora Online 4.2 is not affected.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Collabora Online
Collaboraonline Online — versions < 6.4.9-5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2021-32745?: CVE-2021-32745 is a high-severity vulnerability in Collabora Online, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2021-07-21.
How severe is CVE-2021-32745?: High severity. CVSS v3 base score is 7.3 out of 10.