CVE-2020-8774

Name: CVE-2020-8774
Creator: NVD / NIST
Published: 2020-04-29T15:15:11.473+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2020-8774 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Pega Platform before version 8.2.6 is affected by a Reflected Cross-Site Scripting vulnerability in the "ActionStringID" function.. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

Pega Platform before version 8.2.6 is affected by a Reflected Cross-Site Scripting vulnerability in the "ActionStringID" function.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/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	Pega Platform	< 8.2.6

References

https://community.pega.com/node/1913996Vendor Advisory
https://community.pega.com/node/1913996Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2020-8774?

Pega Platform before version 8.2.6 is affected by a Reflected Cross-Site Scripting vulnerability in the "ActionStringID" function.

How severe is CVE-2020-8774?

CVE-2020-8774 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8774?

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-2020-8774?

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

Scan your code now

Source: NVD / NIST