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CVE-2025-11769: WordPress Content Flipper <= 0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-13 · updated 2026-10-07
• Weakness: CWE-79

Description

The WordPress Content Flipper plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'bgcolor' shortcode attribute of the 'flipper_front' shortcode in all versions up to, and including, 0.1. This is 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.

Affected products

• aumsrini WordPress Content Flipper: through 0.1

References

• https://plugins.trac.wordpress.org/browser/wp-flipper/tags/0.1/wp-flipper.php#L144
• https://plugins.trac.wordpress.org/browser/wp-flipper/tags/0.1/wp-flipper.php#L258
• https://www.wordfence.com/threat-intel/vulnerabilities/id/e4d591a6-4bbe-435b-aef6-ed176c42dca2?source=cve

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