CVE-2026-54743 Lemmy: Stored XSS via markdown image alt-text in lemmy-ui html5-embed

Lemmy is a link aggregator and forum for the fediverse. Prior to lemmy-ui 0.19.19-beta.1, LemmyNet/lemmy-ui renders Markdown in src/shared/markdown.ts for post bodies, comment bodies, private messages, and community and site sidebars through mdToHtml, which returns a raw html object that Inferno...

PT-2026-78678

Name of the Vulnerable Software and Affected Versions lemmy-ui versions prior to 0.19.19-beta.1 Description lemmy-ui renders Markdown for post bodies, comment bodies, private messages, and community and site sidebars through the mdToHtml function in src/shared/markdown.ts. This function returns a...

EUVD-2026-14168

The Logo Slider – Logo Carousel, Logo Showcase & Client Logo Slider Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the image alt text in all versions up to, and including, 4.9.0 due to insufficient input sanitization and output escaping in the 'logo-slider' shortcode...