Go/github.com/umputun/remark42 CVE-2026-48788: high 8.2, EPSS 0.41%

Remark42: Cross-Site Scripting (XSS) on /api/v1/img via content-type spoofing

Action: Upgrade github.com/umputun/remark42 to 1.16.0 or later.

go get github.com/umputun/remark42@v1.16.0

Affected

Fixed versions

Sources

• osv: GHSA-4c8j-mgm4-qqvp
• https://github.com/umputun/remark42/security/advisories/GHSA-4c8j-mgm4-qqvp
• https://nvd.nist.gov/vuln/detail/CVE-2026-48788
• https://github.com/umputun/remark42/commit/78d6de6bce1e961f023969da3ec8a00dd80c9ae8
• https://github.com/umputun/remark42
• https://github.com/umputun/remark42/releases/tag/v1.16.0

CVE-2026-48788 · published 2026-06-26T19:26:43Z · modified 2026-07-07T16:11:13.898247373Z · JSON