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Description

The Bg Book Publisher plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `book_author` post meta, rendered through the `[book_author]` shortcode, in all versions up to, and including, 1.25. This is due to the plugin not properly escaping the meta value before output. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

PUBLISHED Reserved 2025-10-16 | Published 2025-10-22 | Updated 2025-10-22 | Assigner Wordfence




MEDIUM: 6.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

* (semver)
affected

Timeline

2025-10-21:Disclosed

Credits

Muhammad Yudha - DJ finder

References

www.wordfence.com/...-0a6b-4e87-b250-1fb4574d808d?source=cve

plugins.trac.wordpress.org/...ublisher/tags/1.25/bg_bpub.php

cve.org (CVE-2025-11867)

nvd.nist.gov (CVE-2025-11867)

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