RSS Aggregator by Feedzy <= 5.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'aspectRatio' Attribute
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
The RSS Aggregator by Feedzy – Feed to Post, Autoblogging, News & YouTube Video Feeds Aggregator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'aspectRatio' Attribute in all versions up to, and including, 5.2.1 due to insufficient input sanitization and output escaping. 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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| themeisle | RSS Aggregator by Feedzy – Feed to Post, Autoblogging, News & YouTube Video Feeds Aggregator | up to 5.2.1 | — | No fix listed | CNA |
- RSS Aggregator by Feedzy – Feed to Post, Autoblogging, News & YouTube Video Feeds Aggregator Vendorthemeisle Affected up to 5.2.1 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-13252
- 2026-10-03 Alias added: GHSA-95qw-x29w-3qx6
References
Other 6
- https://www.wordfence.com/threat-intel/vulnerabilities/id/d402b7d1-3c12-4bdd-8ff3-e58d5501f0c0?source=cve
- https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.0/includes/abstract/feedzy-rss-feeds-admin-abstract.php#L1700
- https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.0/includes/abstract/feedzy-rss-feeds-admin-abstract.php#L1453
- https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.0/includes/abstract/feedzy-rss-feeds-admin-abstract.php#L624
- https://plugins.trac.wordpress.org/browser/feedzy-rss-feeds/tags/5.2.0/includes/abstract/feedzy-rss-feeds-admin-abstract.php#L423
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3586919%40feedzy-rss-feeds&new=3586919%40feedzy-rss-feeds&sfp_email=&sfph_mail=
More themeisle vulnerabilities
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- TI-2023-02146 Otter - Gutenberg Blocks < 2.2.6 - Author+ PHAR Deserialization CVSS 3.1HIGH 8.8
- TI-2023-20819 WordPress Redirection for Contact Form 7 plugin <= 2.9.2 - Broken Access Control vulnerability CVSS 3.1HIGH 7.5
- TI-2019-12631 A blind SSRF vulnerability exists in the Visualizer plugin before 3.3.1 for WordPress via… CVSS 3.1CRITICAL 10.0
- TI-2023-02115 Product Addons & Fields for WooCommerce < 32.0.7 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
- TI-2022-04265 RSS Aggregator by Feedzy < 4.1.1 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
Sources
- CVE-2026-13252 · CVE Program
- CVE-2026-13252 · NVD
- FIRST EPSS
- GHSA-95qw-x29w-3qx6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences