CVE-2021-3010

Name: CVE-2021-3010
Creator: NVD / NIST
Published: 2021-02-26T15:15:12.617+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2021-3010 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. There are multiple persistent cross-site scripting (XSS) vulnerabilities in the web interface of OpenText Content Server Version 20.3. The application allows a remote attacker to introduce arbitrary JavaScript by crafting malicious form values that are later not sanitized.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

There are multiple persistent cross-site scripting (XSS) vulnerabilities in the web interface of OpenText Content Server Version 20.3. The application allows a remote attacker to introduce arbitrary JavaScript by crafting malicious form values that are later not sanitized.

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

0.86%

53.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Opentext	Content Server	20.3

References

https://www.exploit-db.com/exploits/49578Exploit, Third Party Advisory, VDB Entry
https://www.opentext.com/products-and-solutions/products/enterprise-content-management/content-managementProduct
https://www.exploit-db.com/exploits/49578Exploit, Third Party Advisory, VDB Entry
https://www.opentext.com/products-and-solutions/products/enterprise-content-management/content-managementProduct

Timeline

Published: Feb 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3010?

How severe is CVE-2021-3010?

CVE-2021-3010 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3010?

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-2021-3010?

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

Scan your code now

Source: NVD / NIST