Vulnerability · Published Sep 30, 2026 · Assigned by WPScan

CVE-2026-89193Robin Image Optimizer 2.0.0 - 2.0.7 - Unauthenticated Stored XSS via WebP URL Delivery HTML Parser

High 7.5

In plain English

A high-severity cross-site scripting in Robin Image Optimizer from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.2%top 87.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

The Robin Image Optimizer WordPress plugin before 2.0.8 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.

Affected products (as reported)

Vendor	Product	Versions
Unknown	Robin Image Optimizer	2.0.0 – before 2.0.8

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References

https://wpscan.com/vulnerability/3c90d1c5-fd45-4a82-9357-504d7a0e5adc/ exploit, vdb-entry, technical-description