CVE-2025-9540

The Markup Markdown WordPress plugin before 3.20.10 allows links to contain JavaScript which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

CVSS v3.1

4.7 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

EPSS

0.23% chance of exploitation in the next 30 days, 14th percentile

Published

2025-09-22

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/79e606df-50a0-4639-b2d9-4a77111fd729/

References

• CVE Record
• NVD entry

Related

• CVE-2025-9533
• CVE-2025-9541
• CVE-2025-9532
• CVE-2025-9543
• CVE-2025-9531
• CVE-2025-9544