What is CVE-2023-1783?

CVE-2023-1783 is a medium-severity vulnerability in Orangescrum, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2023-06-23.

How severe is CVE-2023-1783?

Medium severity. CVSS v3 base score is 6.5 out of 10.

XSS in Orangescrum

CVE-2023-1783

OrangeScrum version 2.0.11 allows an external attacker to remotely obtain AWS instance credentials. This is possible because the application does not properly validate the HTML content to be converted to PDF.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-06-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Orangescrum — versions 2.0.11

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/Orangescrum/orangescrum/ (Product)
fluidattacks.com/advisories/stirling/ (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-1783?: CVE-2023-1783 is a medium-severity vulnerability in Orangescrum, classified under Cross-site Scripting. CVSS score: 6.5/10. Published 2023-06-23.
How severe is CVE-2023-1783?: Medium severity. CVSS v3 base score is 6.5 out of 10.