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CVE-2026-61456 is a stored cross-site scripting vulnerability in the Grav API plugin (getgrav/grav-plugin-api) before version 1.0.3. The flaw affects SVG handling in the media upload workflow exposed through the API media endpoint. In HandlesMediaUploads::processUploadedFile(), uploaded files are validated based on file extension, but SVG content is not sanitized because Security::sanitizeSVG() is not invoked. As a result, an authenticated user with permission to write media through the API can upload a crafted SVG containing arbitrary JavaScript. The malicious SVG is stored without modification and later served as SVG content, allowing script execution when rendered in a browser, including when opened directly or embedded in active browser contexts.
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No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
7 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.