PT-2023-31000 · WordPress · Shareaholic

István Márton · Published 2023-11-15 · Updated 2023-11-21 · CVE-2023-4889

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Shareaholic plugin for WordPress versions up to, and including, 9.7.8

Description The issue is related to Stored Cross-Site Scripting via the shareaholic shortcode due to insufficient input sanitization and output escaping on user-supplied attributes. This allows authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Recommendations For Shareaholic plugin for WordPress versions up to, and including, 9.7.8: Update to a version higher than 9.7.8 to resolve the issue. As a temporary workaround, consider restricting access to the shareaholic shortcode for users with contributor-level and above permissions until a patch is available.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2023-4889

Affected Products

Shareaholic

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2023-4889 · Security Note
• https://plugins.trac.wordpress.org/changeset/2995413/shareaholic#file51 · Patch
• https://osv.dev/vulnerability/CVE-2023-4889 · Vendor Advisory
• https://t.me/cvenotify/61011 · Telegram Post
• https://wordfence.com/threat-intel/vulnerabilities/id/ff6932c6-f3ec-46a8-a03b-95512eee5bf1?source=cve · Note