{"id":"CVE-2026-97328","aliases":["EUVD-2026-108020","GHSA-3hr8-rx2p-fg8c"],"status":"published","title":"WebP Express \u003c 0.25.16 - Unauthenticated Stored XSS via Alter HTML Parser","description":"The WebP Express WordPress plugin before 0.25.16 does not escape values that its bundled HTML parser re-emits into element attributes when a non-default image delivery mode is enabled, allowing unauthenticated users to submit content that is stored and later executed as Cross-Site Scripting in the browser of any user viewing an affected page, including administrators.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00282,"percentile":0.20879,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-10-22T06:00:18Z","modified":"2026-10-22T15:16:14Z","products":[{"vendor":"roselldk","product":"webp express"},{"vendor":"unknown","product":"webp express"}],"references":[{"url":"https://wpscan.com/vulnerability/f44cb329-fb2e-4fb1-b878-8b52b0c769cc/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97328"},{"url":"https://wpscan.com/vulnerability/f44cb329-fb2e-4fb1-b878-8b52b0c769cc"},{"url":"https://github.com/advisories/GHSA-3hr8-rx2p-fg8c"}],"sources":{"cve":[{"id":"CVE-2026-97328","title":"WebP Express \u003c 0.25.16 - Unauthenticated Stored XSS via Alter HTML Parser","description":"The WebP Express WordPress plugin before 0.25.16 does not escape values that its bundled HTML parser re-emits into element attributes when a non-default image delivery mode is enabled, allowing unauthenticated users to submit content that is stored and later executed as Cross-Site Scripting in the browser of any user viewing an affected page, including administrators.","status":"published","published":"2026-10-22T06:00:18.825Z","modified":"2026-10-22T11:06:28.335Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T13:44:18.366073Z"}],"euvd":[{"id":"EUVD-2026-108020","description":"The WebP Express WordPress plugin before 0.25.16 does not escape values that its bundled HTML parser re-emits into element attributes when a non-default image delivery mode is enabled, allowing unauthenticated users to submit content that is stored and later executed as Cross-Site Scripting in the browser of any user viewing an affected page, including administrators.","status":"published","published":"2026-10-22T06:00:18Z","modified":"2026-10-22T11:06:28Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T16:59:35.198677Z"}],"ghsa":[{"id":"GHSA-3hr8-rx2p-fg8c","title":"The WebP Express WordPress plugin before 0.25.16 does not escape values that its bundled HTML...","description":"The WebP Express WordPress plugin before 0.25.16 does not escape values that its bundled HTML parser re-emits into element attributes when a non-default image delivery mode is enabled, allowing unauthenticated users to submit content that is stored and later executed as Cross-Site Scripting in the browser of any user viewing an affected page, including administrators.","status":"published","published":"2026-10-22T06:31:19Z","modified":"2026-10-22T12:32:16Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:14:15.712154Z"}],"nvd":[{"id":"CVE-2026-97328","description":"The WebP Express WordPress plugin before 0.25.16 does not escape values that its bundled HTML parser re-emits into element attributes when a non-default image delivery mode is enabled, allowing unauthenticated users to submit content that is stored and later executed as Cross-Site Scripting in the browser of any user viewing an affected page, including administrators.","status":"published","published":"2026-10-22T06:17:15.93Z","modified":"2026-10-22T15:16:14.027Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:13:02.371082Z"}]}}