WebP Express < 0.25.16 - Unauthenticated Stored XSS via Alter HTML Parser
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.
CVE-2026-97328
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-97328
WebP Express
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Unknown",
"product": "WebP Express",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "0.25.16",
"versionType": "semver"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-97328
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #50226 · Revision 1
- Added to Heist Feed
- Publisher date