What’s Vulnerable › Vulnerabilities

CVE-2024-3277: Yumpu ePaper publishing <= 2.0.24 - Missing Authorization to PDF Upload, Publishing, and API Key Modification

• Severity: medium (CVSS 5.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-30 · updated 2026-06-17
• Weakness: CWE-862

Description

The Yumpu ePaper publishing plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the ajax_handler function in all versions up to, and including, 2.0.24. This makes it possible for authenticated attackers, with subscriber-level access and above, to upload PDF files and publish them, as well as modify the API key.

Affected products

• Yumpu Epaper Publishing: through 2.0.24

References

• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3108030%40yumpu-epaper-publishing&new=3108030%40yumpu-epaper-publishing&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/ed507ac7-6732-4315-99dd-0a8636cc9cc3?source=cve
• https://plugins.trac.wordpress.org/browser/yumpu-epaper-publishing/trunk/yumpu.php#L259
• https://www.wordfence.com/threat-intel/vulnerabilities/id/ed507ac7-6732-4315-99dd-0a8636cc9cc3?source=cve

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