High severity · published Oct 7, 2026
CVE-2026-87971
If-So Dynamic Content 1.4.4 - 1.10.1 - Reflected XSS via 'message' Parameter
7.1
CVSS
0.1%
EPSS
No
On KEV
Description
The If-So Dynamic Content WordPress plugin before 1.10.2 does not validate the URL scheme of a request-supplied value before reflecting it into a link on an admin page, allowing attackers to execute arbitrary JavaScript in the browser of a logged-in user who opens a crafted link.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ID
If-So Dynamic Content ·
1.4.4 before 1.10.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-87971
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-87971
exploit
https://wpscan.com/vulnerability/f03cb198-7d64-4405-9c2c-5342f24deb4f/
More from If-So Dynamic Content
4.7
CVE-2026-87970
If-So Dynamic Content 1.8 - 1.10.1 - Reflected XSS via render_ifso_shortcodes
3.1
CVE-2026-87973
If-So Dynamic Content 1.9.9 - 1.10.1 - Editor+ Stored XSS via Conversion Name