Converter for Media – Optimize images | Convert WebP & AVIF vulnerabilities
Plugin slug webp-converter-for-media · 4 known vulnerabilities · latest disclosed 2026-02-11 · WordPress.org page
Every listed vulnerability has a fix. Version 6.5.2 or later is not affected by any of them. If your site runs an older version, update it.
1 of 4 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Converter for Media – Optimize images | Convert WebP & AVIF
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 4.8 | <= 6.5.1 | 6.5.2 | CVE-2026-1356 | 2026-02-11 | Advisory |
| Medium 4.3 | <= 6.3.2 | 6.4.0 | CVE-2025-13750 | 2025-12-16 | Advisory |
| Medium 6.1 | < 4.0.3 | 4.0.3 | CVE-2021-25074 | 2021-12-27 | Advisory |
| High 8.8 | <= 1.0.2 | 1.0.3 | CVE-2019-15834 | 2019-06-27 | Advisory |
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Questions
Is the Converter for Media – Optimize images | Convert WebP & AVIF plugin safe to use?
All 4 known issues are fixed in current versions (6.5.2 or later). Keeping it updated is what matters.
How do I check which version of Converter for Media – Optimize images | Convert WebP & AVIF my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.