How severe is CVE-2019-10721?

CVE-2019-10721 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-10721 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-10721?

CVE-2019-10721 affects Dotnetblogengine Blogengine.net. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-10721?

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

When was CVE-2019-10721 published?

CVE-2019-10721 was published on 2019-07-03 and last updated on 2026-06-17.

CVE-2019-10721

CVE-2019-10721 is a medium-severity vulnerability in Dotnetblogengine Blogengine.net with a CVSS 3.x base score of 6.1. 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-601.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 5.8
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-601
Affected product: Dotnetblogengine Blogengine.net
Published: 2019-07-03
Last modified: 2026-06-17

Description

BlogEngine.NET 3.3.7.0 allows a Client Side URL Redirect via the ReturnUrl parameter, related to BlogEngine/BlogEngine.Core/Services/Security/Security.cs, login.aspx, and register.aspx.

Frequently asked questions

What is CVE-2019-10721?: BlogEngine.NET 3.3.7.0 allows a Client Side URL Redirect via the ReturnUrl parameter, related to BlogEngine/BlogEngine.Core/Services/Security/Security.cs, login.aspx, and register.aspx.
How severe is CVE-2019-10721?: CVE-2019-10721 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-10721 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-10721?: CVE-2019-10721 affects Dotnetblogengine Blogengine.net. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-10721?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-10721 published?: CVE-2019-10721 was published on 2019-07-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dotnetblogengine:blogengine.net:3.3.7.0:*:*:*:*:*:*:*

More vulnerabilities in Dotnetblogengine Blogengine.net

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CVE-2019-10717 — High (CVSS 7.1): BlogEngine.NET 3.3.7.0 allows /api/filemanager Directory Traversal via the path parameter.
CVE-2013-6953 — Medium (CVSS 5.0): BlogEngine.NET 2.8.0.0 and earlier allows remote attackers to read usernames and password hashes via a request for the…
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Other CWE-601 (Open Redirect) vulnerabilities

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CVE-2020-36912 — Critical (CVSS 9.8): Plexus anblick Digital Signage Management 3.1.13 contains an open redirect vulnerability in the 'PantallaLogin' script…
CVE-2025-43526 — Critical (CVSS 9.8): This issue was addressed with improved URL validation. This issue is fixed in Safari 26.2, macOS Tahoe 26.2. On a Mac…
CVE-2025-55031 — Critical (CVSS 9.8): Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An…
CVE-2024-22891 — Critical (CVSS 9.8): Nteract v.0.28.0 was discovered to contain a remote code execution (RCE) vulnerability via the Markdown link.

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