CVE-2021-44211

Name: CVE-2021-44211
Creator: NVD / NIST
Published: 2022-03-28T01:15:07.147+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.65%

Last modified Jun 17, 2026

CVE-2021-44211 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. OX App Suite through 7.10.5 allows XSS via the class attribute of an element in an HTML e-mail signature.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

OX App Suite through 7.10.5 allows XSS via the class attribute of an element in an HTML e-mail signature.

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

0.65%

46.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Open-Xchange	Ox App Suite	<= 7.10.5

References

http://packetstormsecurity.com/files/166389/OX-App-Suite-7.10.5-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://open-xchange.comProduct
http://packetstormsecurity.com/files/166389/OX-App-Suite-7.10.5-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://open-xchange.comProduct

Timeline

Published: Mar 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44211?

OX App Suite through 7.10.5 allows XSS via the class attribute of an element in an HTML e-mail signature.

How severe is CVE-2021-44211?

CVE-2021-44211 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44211?

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-2021-44211?

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

Scan your code now

Source: NVD / NIST