EUVD-2026-43154
GHSA-hw45-p7q4-m97q
Severity by source
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Network vector, low complexity; PR:L for mandatory contributor auth; S:C for cross-site script execution in victim browser; no availability impact.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The fresh Podcaster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'freshpodcaster' shortcode in all versions up to, and including, 1.0.7 due to insufficient input sanitization and output escaping on user supplied attributes. 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.
AnalysisAI
Stored Cross-Site Scripting in the Fresh Podcaster WordPress plugin (all versions through 1.0.7) allows authenticated attackers holding at minimum contributor-level roles to inject persistent JavaScript payloads via unsanitized attributes of the 'freshpodcaster' shortcode. The injected script executes automatically in any visitor's browser upon loading an affected page, enabling session hijacking, credential theft, or unauthorized actions on behalf of higher-privileged users. No public exploit code and no CISA KEV listing have been identified at time of analysis, but the Changed scope in the CVSS vector underscores that impact crosses the plugin boundary into victims' browser sessions.
Technical ContextAI
The Fresh Podcaster plugin (cpe:2.3:a:freshlabs:fresh_podcaster:*) implements WordPress shortcode rendering through public/class-fresh-podcaster-shortcodes.php (line 73), which processes user-supplied shortcode attributes and passes them to the display partial at public/partials/fresh-podcaster-public-display.php (line 25). CWE-79 (Improper Neutralization of Input During Web Page Generation) identifies the root cause: shortcode attribute values are not sanitized on input nor escaped on output before being written into the rendered HTML. Because WordPress stores shortcodes as post content, the payload is persisted in the database and rendered to every subsequent visitor, making this a stored (Type II) XSS rather than a reflected variant. The Changed scope in the CVSS vector reflects the standard WordPress XSS pattern where the attacker's plugin context affects a distinct security principal - the victim's browser.
RemediationAI
No patched version of Fresh Podcaster has been confirmed in the available intelligence - the most recent tag referenced (1.0.7) remains vulnerable. Site administrators should immediately deactivate and remove the Fresh Podcaster plugin from all WordPress installations until a patched release is published and independently verified. Monitor the WordPress plugin repository and the Wordfence advisory (https://www.wordfence.com/threat-intel/vulnerabilities/id/4bf80767-4b11-49cd-acf5-7437aa89cc0f) for patch availability. As a compensating control while awaiting a fix, restrict contributor-level role assignment to fully trusted, identifiable users and audit existing posts and pages for 'freshpodcaster' shortcode usage containing suspicious attribute values. A Web Application Firewall with a WordPress XSS ruleset can provide partial detection coverage but will not block all stored XSS variants and should not substitute for plugin removal.
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External POC / Exploit Code
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