What is CVE-2025-55735?

CVE-2025-55735 is a medium-severity vulnerability in Dogukanurker Flaskblog, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-08-19.

How severe is CVE-2025-55735?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2025-55735 known to be exploited?

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

XSS in Dogukanurker Flaskblog

CVE-2025-55735

flaskBlog is a blog app built with Flask. In 2.8.0 and earlier, when creating a post, there's no validation of the content of the post stored in the variable "postContent". The vulnerability arises when displaying the content of the post u…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (9.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Dogukanurker Flaskblog — versions <= 2.8.0

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-55735?: CVE-2025-55735 is a medium-severity vulnerability in Dogukanurker Flaskblog, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-08-19.
How severe is CVE-2025-55735?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2025-55735 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.