CVE-2026-3659WP Circliful <= 1.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'id' Shortcode Attribute
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The WP Circliful plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' shortcode attribute of the [circliful] shortcode and via multiple shortcode attributes of the [circliful_direct] shortcode in all versions up to and including 1.2. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes. Specifically, in the circliful_shortcode() function, the 'id' attribute value is concatenated directly into an HTML id attribute (line 285) without any escaping, allowing an attacker to break out of the double-quoted attribute and inject arbitrary HTML event handlers. Similarly, the circliful_direct_shortcode() function (line 257) outputs all shortcode attributes directly into HTML data-* attributes without 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.
- CVSS
- 6.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Wordfence
- NVD analysis
- Deferred
- Record last updated
- Apr 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
bappidgreat WP Circliful bappidgreat:wp_circliful (from the name) | through 1.2 | CNA record |
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/030534e2-bf7d-42e4-94a1-986f629bea15?source=cve
- https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L285
- https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L285
- https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L257
- https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L257
- https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L263
- https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L263
- https://plugins.trac.wordpress.org/browser/wp-circliful/trunk/wp-circliful.php#L241
- https://plugins.trac.wordpress.org/browser/wp-circliful/tags/1.2/wp-circliful.php#L241
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.