CVE-2021-43461

Name: CVE-2021-43461
Creator: NVD / NIST
Published: 2022-04-04T16:15:08.687+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2021-43461 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Cross Site Scripting (XSS) vulnerability exists in Rumble Mail Server 0.51.3135 via the servername parameter.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

Cross Site Scripting (XSS) vulnerability exists in Rumble Mail Server 0.51.3135 via the servername parameter.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.57%

43.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Rumble Mail Server Project	Rumble Mail Server	0.51.3135

References

https://www.exploit-db.com/exploits/49253Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/49253Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Apr 4, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43461?

Cross Site Scripting (XSS) vulnerability exists in Rumble Mail Server 0.51.3135 via the servername parameter.

How severe is CVE-2021-43461?

CVE-2021-43461 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43461?

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-2021-43461?

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

Scan your code now

Source: NVD / NIST