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CVE-2020-8773

29
FAUCET Score

CVE-2020-8773 is a Stored Cross-Site Scripting (XSS) vulnerability affecting the Richtext Editor in Pega Platform versions prior to 8.2.6. This high-severity vulnerability, with a CVSS score of 8.9, allows an authenticated attacker to inject malicious scripts, potentially leading to high confidentiality and integrity impacts, and low availability impact, requiring user interaction. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 8.2.6CPE matchmatch criteria
cpe:2.3:a:pega:platform:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.9HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
2.3
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.83%
Probability of exploitation in next 30 days
EPSS Percentile
53.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0083 is in the 69th percentile among its peer group of 890 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

community.pega.com / knowledgebase/products/platform/resolved-issues
Vendor Advisory