CVE-2026-109207 json
RSS Aggregator by Feedzy <= 5.2.11 - Unauthenticated Stored Cross-Site Scripting via RSS media:thumbnail URL
published 24d ago modified 24d ago also EUVD-2026-102617
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 23%
- public exploits
- 0
- none known
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 the 'media:thumbnail@url' parameter in all versions up to, and including, 5.2.11 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires the attacker to control an external RSS feed that the target site has already configured for import; no WordPress account or special plugin configuration is needed beyond that condition.
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 24d ago
Exploit prediction
0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
Affected products
- themeisle RSS Aggregator by Feedzy – Feed to Post, Autoblogging, News & YouTube Video Feeds Aggregator
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
- wordfence.com /threat-intel/vulnerabilities/id/ab1d8bcb-688a-4763-970a-c960925cf0b6?source=cve
- plugins.trac.wordpress.org /browser/feedzy-rss-feeds/tags/5.2.11/includes/admin/feedzy-rss-feeds-import.php#L1241
- plugins.trac.wordpress.org /browser/feedzy-rss-feeds/tags/5.2.11/includes/admin/feedzy-rss-feeds-import.php#L989
- plugins.trac.wordpress.org /browser/feedzy-rss-feeds/tags/5.2.11/includes/admin/feedzy-rss-feeds-import.php#L2951
- plugins.trac.wordpress.org /browser/feedzy-rss-feeds/tags/5.2.11/includes/admin/feedzy-rss-feeds-import.php#L3413
- plugins.trac.wordpress.org /browser/feedzy-rss-feeds/tags/5.2.11/includes/abstract/feedzy-rss-feeds-admin-abstract.php#L2134
- downloads.wordpress.org /plugin/feedzy-rss-feeds.5.2.12.zip
Sources
- CVE List CVE-2026-109207
- NVD CVE-2026-109207
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.