CVE-2020-8773

Name: CVE-2020-8773
Creator: NVD / NIST
Published: 2020-04-29T15:15:11.41+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.9/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2020-8773 is a high-severity vulnerability rated 8.9/10 on the CVSS scale. The Richtext Editor in Pega Platform before 8.2.6 is affected by a Stored Cross-Site Scripting (XSS) vulnerability.. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

The Richtext Editor in Pega Platform before 8.2.6 is affected by a Stored Cross-Site Scripting (XSS) vulnerability.

Metrics

CVSS 3.1

8.9/10

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

EPSS Probability

0.83%

52.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Pega	Platform	< 8.2.6

References

Timeline

Published: Apr 29, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8773?

The Richtext Editor in Pega Platform before 8.2.6 is affected by a Stored Cross-Site Scripting (XSS) vulnerability.

How severe is CVE-2020-8773?

CVE-2020-8773 has a CVSS score of 8.9/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8773?

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-2020-8773?

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

Scan your code now

Source: NVD / NIST