How severe is CVE-2025-28102?

CVE-2025-28102 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-2025-28102 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-28102?

CVE-2025-28102 affects Dogukanurker Flaskblog. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-28102?

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

Does CVE-2025-28102 have an EU (EUVD) identifier?

Yes. CVE-2025-28102 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12361.

When was CVE-2025-28102 published?

CVE-2025-28102 was published on 2025-04-21 and last updated on 2026-06-17.

CVE-2025-28102

CVE-2025-28102 is a medium-severity vulnerability in Dogukanurker Flaskblog 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12361
Weakness: CWE-79
Affected product: Dogukanurker Flaskblog
Published: 2025-04-21
Last modified: 2026-06-17

Description

A cross-site scripting (XSS) vulnerability in flaskBlog v2.6.1 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the postContent parameter at /createpost.

Frequently asked questions

What is CVE-2025-28102?: A cross-site scripting (XSS) vulnerability in flaskBlog v2.6.1 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the postContent parameter at /createpost.
How severe is CVE-2025-28102?: CVE-2025-28102 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-2025-28102 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-28102?: CVE-2025-28102 affects Dogukanurker Flaskblog. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-28102?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-28102 have an EU (EUVD) identifier?: Yes. CVE-2025-28102 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12361.
When was CVE-2025-28102 published?: CVE-2025-28102 was published on 2025-04-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dogukanurker:flaskblog:2.6.1:*:*:*:*:*:*:*

More vulnerabilities in Dogukanurker Flaskblog

CVE-2025-28104 — Critical (CVSS 9.1): Incorrect access control in laskBlog v2.6.1 allows attackers to access all usernames via a crafted input.
CVE-2025-55737 — Medium (CVSS 6.5): flaskBlog is a blog app built with Flask. In 2.8.0 and earlier, when deleting a comment, there's no validation of the…
CVE-2025-55736 — Medium (CVSS 6.5): flaskBlog is a blog app built with Flask. In 2.8.0 and earlier, an arbitrary user can change his role to "admin",…
CVE-2025-55734 — Medium (CVSS 6.5): flaskBlog is a blog app built with Flask. In 2.8.0 and earlier, the code checks if the userRole is "admin" only when…
CVE-2025-28101 — Medium (CVSS 6.5): An arbitrary file deletion vulnerability in the /post/{postTitle} component of flaskBlog v2.6.1 allows attackers to…
CVE-2024-22414 — Medium (CVSS 6.5): flaskBlog is a simple blog app built with Flask. Improper storage and rendering of the `/user/<user>` page allows a…

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