CVE-2023-0542

5.4 mediumEPSS 0.4%

Medium (5.4) in blackbirdi custom post type list shortcode. EPSS 0.4% chance of exploitation in the next 30 days.

The Custom Post Type List Shortcode WordPress plugin through 1.4.4 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Severity

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: 0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2023-05-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

blackbirdi:custom_post_type_list_shortcode

References

https://wpscan.com/vulnerability/17de2f77-3e6c-4c22-9196-6e5577ee7fcf
https://wpscan.com/vulnerability/17de2f77-3e6c-4c22-9196-6e5577ee7fcf

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