Stored cross-site scripting in If-So Dynamic Content plugin for WordPress
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 If-So Dynamic Content WordPress plugin is vulnerable in all versions up to and including 1.10.2. Insufficient input sanitization and output escaping of the 'conversion' shortcode attribute (CWE-79) let an authenticated attacker with contributor-level access or above store arbitrary web scripts in pages. The scripts run in the browser of any user who opens an injected page.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
The If-So Dynamic Content – Elementor & All Page Builders Personalization plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'conversion' Shortcode Attribute in all versions up to, and including, 1.10.2 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
Remediation
The sources list no fixed version for If-So Dynamic Content (Elementor & All Page Builders Personalization).
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-28 Threatist record created from CVE-2026-104740
- 2026-10-28 Alias added: GHSA-qrm9-mc67-x9f8
- 2026-10-28 Priority changed: MEDIUM → LOW
- 2026-10-29 CISA SSVC decision points changed
References
Other 4
- https://www.wordfence.com/threat-intel/vulnerabilities/id/3673560a-6f72-42ea-8b0d-f866dca33638?source=cve
- https://plugins.trac.wordpress.org/browser/if-so/tags/1.10.2/extensions/ifso-extended-shortcodes/extended-shortcodes.php#L267
- https://plugins.trac.wordpress.org/browser/if-so/tags/1.10.2/extensions/ifso-extended-shortcodes/extended-shortcodes.php#L258
- https://plugins.trac.wordpress.org/changeset/3748902/if-so/trunk/extensions/ifso-extended-shortcodes/extended-shortcodes.php
More ifso vulnerabilities
- TI-2024-05307 if-so < 1.8.0.4 - Reflected XSS CVSS 3.1MEDIUM 5.4
- TI-2024-05056 If-So Dynamic Content Personalization < 1.8.0.3 - Contributor+ Shortcode Stored XSS CVSS 3.1MEDIUM 5.4
- TI-2024-05626 if-so < 1.8.0.4 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
- TI-2023-28144 WordPress If-So Dynamic Content Personalization Plugin <= 1.6.3.1 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1MEDIUM 6.5
- TI-2026-81760 Stored cross-site scripting in If-So Dynamic Content WordPress plugin CVSS 3.1MEDIUM 6.4
- TI-2026-81728 Stored cross-site scripting in If-So Dynamic Content WordPress plugin CVSS 3.1MEDIUM 6.4
Sources
- CVE-2026-104740 · CVE Program
- CVE-2026-104740 · NVD
- FIRST EPSS
- GHSA-qrm9-mc67-x9f8 · 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