Medium severity · published May 16, 2025
CVE-2025-39509
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeNcode TNC FlipBook pdf-viewer-for-wordpress allows Stored XSS.This issue…
5.4
CVSS
0.3%
EPSS
No
On KEV
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeNcode TNC FlipBook pdf-viewer-for-wordpress allows Stored XSS.This issue affects TNC FlipBook: from n/a through <= 12.1.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TF
Tnc Flipbook · Themencode
through 12.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-39509
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-39509
Third Party Advisory
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