CVE-2024-2477

MEDIUM 6.4

wpDiscuz <= 7.6.15 - Authenticated (Author+) Stored Cross-Site Scripting via Uploaded Image Alternative Text

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

0th

The wpDiscuz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Alternative Text' field of an uploaded image in all versions up to, and including, 7.6.15 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CWE	CWE-79
Vendor	advancedcoding
Product	comments – wpdiscuz
Published	Apr 23, 2024
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

advancedcoding / Comments – wpDiscuz

0 ≤ 7.6.15

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/3eddc03d-ecff-4b50-a574-7b6b62e53af0?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/changeset/3060040/wpdiscuz/trunk/utils/class.WpdiscuzHelperUpload.php

Credits

Ngô Thiên An