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.

CVSS v3.1 CNA

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.24% chance of exploitation in the next 30 days, 15th percentile

Published

2025-04-21

Proof-of-concept exploits (1)

• DogukanUrker/flaskBlog/issues/130195★ · 2026-08-20

Security advisories

• https://gist.github.com/coleak2021/edbd6e0766227ee96a7a4601e50773eb

References

• CVE Record
• NVD entry

Related

• CVE-2025-28101
• CVE-2025-28104