Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeNcode TNC FlipBook allows Stored XSS. This issue affects TNC FlipBook: from n/a through 12.1.0.

Classification

CVE ID: CVE-2025-39509

CVSS Base Severity: MEDIUM

CVSS Base Score: 6.5

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Affected Products

Vendor: ThemeNcode

Product: TNC FlipBook

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.03% (probability of being exploited)

EPSS Percentile: 6.61% (scored less or equal to compared to others)

EPSS Date: 2025-06-07 (when was this score calculated)

References

https://nvd.nist.gov/vuln/detail/CVE-2025-39509
https://patchstack.com/database/wordpress/plugin/pdf-viewer-for-wordpress/vulnerability/wordpress-tnc-flipbook-plugin-12-1-0-cross-site-scripting-xss-vulnerability?_s_id=cve

Timeline