CVE-2026-4084fyyd podcast shortcodes <= 0.3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'color' Shortcode Attribute
- 6.4MediumCVSS base score
- 0.27%Exploitation in 30 daysEPSS · top 81% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The fyyd podcast shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'fyyd-podcast', 'fyyd-episode', and 'fyyd' shortcodes in all versions up to, and including, 0.3.1. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes such as 'color', 'podcast_id', and 'podcast_slug'. These attributes are directly concatenated into inline JavaScript within single-quoted string arguments without any escaping or sanitization, allowing an attacker to break out of the JavaScript string context. 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.
Timeline
ID reserved
By Wordfence
- 9 days later
· 9 days later
Published
- 18 days later
· 18 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| WordfenceCNA (assigner) | 3.1 | Medium6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
| NVDNVD · Deferred | 3.1 | Medium6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.27% · top 81% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.4.
Affected products
cbednarek · fyyd podcast shortcodes
- affected ≤ 0.3.1
References
References13
- https://www.wordfence.com/threat-intel/vulnerabilities/id/3f9d57ae-b238-43db-8eee-ccab499b1cbc?source=cve (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/fyyd-podcast-shortcodes/trunk/fyyd-podcast-shortcodes.php#L65 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/fyyd-podcast-shortcodes/tags/0.3.1/fyyd-podcast-shortcodes.php#L65 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/fyyd-podcast-shortcodes/trunk/fyyd-podcast-shortcodes.php#L48 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/fyyd-podcast-shortcodes/tags/0.3.1/fyyd-podcast-shortcodes.php#L48 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/fyyd-podcast-shortcodes/trunk/fyyd-podcast-shortcodes.php#L60 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/fyyd-podcast-shortcodes/tags/0.3.1/fyyd-podcast-shortcodes.php#L60 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/fyyd-podcast-shortcodes/trunk/fyyd-podcast-shortcodes.php#L100 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/fyyd-podcast-shortcodes/tags/0.3.1/fyyd-podcast-shortcodes.php#L100 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/fyyd-podcast-shortcodes/trunk/fyyd-podcast-shortcodes.php#L224 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/fyyd-podcast-shortcodes/tags/0.3.1/fyyd-podcast-shortcodes.php#L224 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/fyyd-podcast-shortcodes/trunk/fyyd-podcast-shortcodes.php#L141 (opens in a new tab)
- https://plugins.trac.wordpress.org/browser/fyyd-podcast-shortcodes/tags/0.3.1/fyyd-podcast-shortcodes.php#L141 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-13994 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-4084)Record last updated .