Feeds for YouTube <= 2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Published Sep 14, 2023
6.4
MEDIUMCVSS 3.1
EPSS 0.55%
Description
The Feeds for YouTube plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'youtube-feed' shortcode in versions up to, and including, 2.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for 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.
Affected products
- Vendor Smub Product Feeds for YouTube (YouTube video, channel, and gallery plugin) Defaultunaffected
- Version 0StatusaffectedConstraints<=2.1
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Smub | Feeds for YouTube (YouTube video, channel, and gallery plugin) | unaffected |
|
- ≤ 2.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
1 other source (CVE.org) ▾
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Feb 5, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2023–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.55% (0.00546) | 43.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.47% (0.00469) | 36.76th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.12% (0.00117) | 27.43th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.25% (0.01247) | 66.78th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.12% (0.00117) | 28.11th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00064) | 29.92th | v3 (v2023.03.01) |
| May 1, 2024 | 0.05% (0.00050) | 17.71th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.05% (0.00050) | 15.68th | v3 (v2023.03.01) |
| Sep 14, 2023 | 0.05% (0.00051) | 17.82th | v3 (v2023.03.01) |
References (3)
- https://plugins.trac.wordpress.org/browser/feeds-for-youtube/tags/2.1/templates/feed.php#L33 Issue Tracking
- https://plugins.trac.wordpress.org/changeset/2966017/feeds-for-youtube#file564 Patch
- https://www.wordfence.com/threat-intel/vulnerabilities/id/376e2638-a873-4142-ad7d-067ae3333709?source=cve ExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://plugins.trac.wordpress.org/browser/feeds-for-youtube/tags/2.1/templates/feed.php#L33 | Issue Tracking | |
| https://plugins.trac.wordpress.org/changeset/2966017/feeds-for-youtube#file564 | Patch | |
| https://www.wordfence.com/threat-intel/vulnerabilities/id/376e2638-a873-4142-ad7d-067ae3333709?source=cve | ExploitThird Party Advisory |
Change history (0)
No recorded changes yet.