What is CVE-2023-28774?

CVE-2023-28774 is a medium-severity vulnerability in Grade Review Stream, classified under Cross-site Scripting. CVSS score: 5.9/10. Published 2023-06-22.

How severe is CVE-2023-28774?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Is CVE-2023-28774 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Grade Review Stream

CVE-2023-28774

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Grade Us, Inc. Review Stream plugin <= 1.6.5 versions.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (29.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L.

Affected products

Grade Review_stream
Grade Us, Inc. Review Stream — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

audit@patchstack.com (Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2023-28774?: CVE-2023-28774 is a medium-severity vulnerability in Grade Review Stream, classified under Cross-site Scripting. CVSS score: 5.9/10. Published 2023-06-22.
How severe is CVE-2023-28774?: Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2023-28774 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.