What is CVE-2025-13617?

CVE-2025-13617 is a medium-severity vulnerability in Apollo13themes Apollo13 Framework Extensions, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-02-19.

How severe is CVE-2025-13617?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Apollo13themes Apollo13 Framework Extensions

CVE-2025-13617

The Apollo13 Framework Extensions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘a13_alt_link’ parameter in all versions up to, and including, 1.9.8 due to insufficient input sanitization and output escaping. Th…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (21.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Apollo13themes Apollo13 Framework Extensions — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-13617?: CVE-2025-13617 is a medium-severity vulnerability in Apollo13themes Apollo13 Framework Extensions, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-02-19.
How severe is CVE-2025-13617?: Medium severity. CVSS v3 base score is 6.4 out of 10.