Description
The EWWW Image Optimizer WordPress plugin before 8.7.7 does not properly escape image attribute values when it rewrites page output, allowing authenticated users with author-level access and above to inject arbitrary JavaScript that is stored in published content and executes in the browser of any user who later views the affected page.
Published:
2026-09-17
Score:
n/a
EPSS:
n/a
KEV:
No
Impact:
n/a
Action:
n/a
Analysis
No analysis available yet.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Unknown | EWWW Image Optimizer | unaffected |
|
No data.
No data.
No data available yet.
Remediation
No remediation available yet.
Tracking
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Advisories
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References
History
Thu, 17 Sep 2026 06:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The EWWW Image Optimizer WordPress plugin before 8.7.7 does not properly escape image attribute values when it rewrites page output, allowing authenticated users with author-level access and above to inject arbitrary JavaScript that is stored in published content and executes in the browser of any user who later views the affected page. | |
| Title | EWWW Image Optimizer < 8.7.7 - Author+ Stored XSS via Image Class Attribute Backreference Expansion | |
| References |
|
Subscriptions
No data.
MITRE
Status: PUBLISHED
Assigner: WPScan
Published:
Updated: 2026-09-17T06:00:13.250Z
Reserved: 2026-09-14T16:12:49.896Z
Link: CVE-2026-91011
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-09-17T06:16:52.857
Modified: 2026-09-17T06:16:52.857
Link: CVE-2026-91011
Redhat
No data.
OpenCVE Enrichment
No data.
Weaknesses
No weakness.