What’s Vulnerable › Vulnerabilities

CVE-2024-4636: Image Optimization by Optimole – Lazy Load, CDN, Convert WebP & AVIF <= 3.12.10 - Authenticated (Author+) Stored Cross-Site Scripting via SVG Upload

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-15 · updated 2026-06-17
• Weakness: CWE-79

Description

The Image Optimization by Optimole – Lazy Load, CDN, Convert WebP & AVIF plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘allow_meme_types’ function in versions up to, and including, 3.12.10 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Optimole – Optimize Images in Real Time: through 3.12.10

References

• https://plugins.trac.wordpress.org/browser/optimole-wp/tags/3.12.10/inc/admin.php#L1828
• https://plugins.trac.wordpress.org/changeset/3086306/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/be88566d-fc84-442d-bb34-834ad9f4465b?source=cve
• https://plugins.trac.wordpress.org/browser/optimole-wp/tags/3.12.10/inc/admin.php#L1828
• https://plugins.trac.wordpress.org/changeset/3086306/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/be88566d-fc84-442d-bb34-834ad9f4465b?source=cve

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