CVE-2021-32852

Name: CVE-2021-32852
Creator: NVD / NIST
Published: 2023-02-20T22:15:11.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 0.93%

Last modified Jun 17, 2026

CVE-2021-32852 is a critical-severity vulnerability rated 9/10 on the CVSS scale. Countly, a product analytics solution, is vulnerable to cross-site scripting prior to version 21.11 of the community edition. The victim must follow a malicious link or be redirected there from malicious web site. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

Description

Countly, a product analytics solution, is vulnerable to cross-site scripting prior to version 21.11 of the community edition. The victim must follow a malicious link or be redirected there from malicious web site. The attacker must have an account or be able to create one. This issue is patched in version 21.11.

Metrics

CVSS 3.1

9/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

EPSS Probability

0.93%

56.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Count	Countly Server	< 21.11

References

https://github.com/Countly/countly-server/blob/6b90bb775e747cabe46fe197c6a6989acc6c3417/frontend/express/app.js#L1112Third Party Advisory
https://github.com/Countly/countly-server/blob/6b90bb775e747cabe46fe197c6a6989acc6c3417/frontend/express/views/reset.html#L95Third Party Advisory
https://github.com/Countly/countly-server/releases/tag/v21.11Release Notes
https://securitylab.github.com/advisories/GHSL-2021-104-countly-server/Exploit, Third Party Advisory
https://github.com/Countly/countly-server/blob/6b90bb775e747cabe46fe197c6a6989acc6c3417/frontend/express/app.js#L1112Third Party Advisory
https://github.com/Countly/countly-server/blob/6b90bb775e747cabe46fe197c6a6989acc6c3417/frontend/express/views/reset.html#L95Third Party Advisory
https://github.com/Countly/countly-server/releases/tag/v21.11Release Notes
https://securitylab.github.com/advisories/GHSL-2021-104-countly-server/Exploit, Third Party Advisory

Timeline

Published: Feb 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-32852?

How severe is CVE-2021-32852?

CVE-2021-32852 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.

How do I fix CVE-2021-32852?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-32852?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST