WordPress security changelog
MEDIUM CVE-2014-6243 Modified

Ewww Image Optimizer: Cross-site scripting

Ewww Image Optimizer is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 4.3 CVSS · cve@mitre.org
NVD score 4.3 CVSS 2.0 · nvd@nist.gov
Component
Ewww Image Optimizer
Plugin slug
ewww-image-optimizer
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Oct 10, 2014
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Oct 10, 2014 and is one of 4 known issues for this plugin.

What to do

Update, patch or deactivate.

Update Ewww Image Optimizer to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Source record

Technical description

Cross-site scripting (XSS) vulnerability in the EWWW Image Optimizer plugin before 2.0.2 for WordPress allows remote attackers to inject arbitrary web script or HTML via the error parameter in the ewww-image-optimizer.php page to wp-admin/options-general.php, which is not properly handled in a pngout error message.

NVD vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

References

Primary and upstream sources