CVE-2026-53740

5.1 mediumEPSS 0.1%

Medium (5.1). EPSS 0.1% chance of exploitation in the next 30 days.

Yoast Duplicate Post through 4.6 inserts an unescaped post title and permalink into the Classic Editor scheduled republish notice. Attackers can schedule a republish copy with a crafted title to execute script when an administrator views the resulting notice.

Severity

CVSS 4.0

5.1 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

CVSS 3.1

5.4 medium

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

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-06-10
Modified: 2026-07-23
Record from: the NVD, synced 2026-10-19

References

https://wordpress.org/plugins/duplicate-post/
https://www.vulncheck.com/advisories/yoast-duplicate-post-through-stored-cross-site-scripting-via-scheduled-republish-notice

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