How severe is CVE-2023-6784?

CVE-2023-6784 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-6784 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-6784?

CVE-2023-6784 affects Progress Sitefinity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6784?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-6784 published?

CVE-2023-6784 was published on 2023-12-20 and last updated on 2026-06-17.

CVE-2023-6784

CVE-2023-6784 is a medium-severity vulnerability in Progress Sitefinity with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Progress Sitefinity
Published: 2023-12-20
Last modified: 2026-06-17

Description

A malicious user could potentially use the Sitefinity system for the distribution of phishing emails.

Frequently asked questions

What is CVE-2023-6784?: A malicious user could potentially use the Sitefinity system for the distribution of phishing emails.
How severe is CVE-2023-6784?: CVE-2023-6784 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-6784 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6784?: CVE-2023-6784 affects Progress Sitefinity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6784?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-6784 published?: CVE-2023-6784 was published on 2023-12-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:progress:sitefinity:*:*:*:*:*:*:*:*

More vulnerabilities in Progress Sitefinity

CVE-2026-7312 — Critical (CVSS 10.0): CWE‑522: Insufficiently Protected Credentials in web services in Progress Sitefinity version from 14.0.7700 to…
CVE-2026-7198 — Critical (CVSS 9.8): CWE-284: Improper Access Control in web services in Progress Sitefinity 15.4.8623 before 15.4.8630 allows a remote…
CVE-2023-29375 — Critical (CVSS 9.8): An issue was discovered in Progress Sitefinity 13.3 before 13.3.7647, 14.0 before 14.0.7736, 14.1 before 14.1.7826,…
CVE-2019-17392 — Critical (CVSS 9.8): Progress Sitefinity 12.1 has a Weak Password Recovery Mechanism for a Forgotten Password because the HTTP Host header…
CVE-2017-15883 — Critical (CVSS 9.8): Sitefinity 5.1, 5.2, 5.3, 5.4, 6.x, 7.x, 8.x, 9.x, and 10.x allow remote attackers to bypass authentication and…
CVE-2017-9248 — Critical (CVSS 9.8): Telerik.Web.UI.dll in Progress Telerik UI for ASP.NET AJAX before R2 2017 SP1 and Sitefinity before 10.0.6412.0 does…

All CVEs affecting Progress Sitefinity →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →