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CVE-2015-3440

MediumPublished

Cross-site scripting (XSS) vulnerability in wp-includes/wp-db.php in WordPress before 4.2.1 allows remote attackers to inject arbitrary web script or HTML...

Published: Aug 3, 2015
Updated: Aug 6, 2024
Assigning CNA: debian
Evidence observed: Apr 27, 2015

Primary CVSS

4.3/ 10Medium

nvd · CVSS 2.0

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

EPSS probability estimate

16.9%

Moderate · next 30 days

Percentile: 97.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Cross-site scripting (XSS) vulnerability in wp-includes/wp-db.php in WordPress before 4.2.1 allows remote attackers to inject arbitrary web script or HTML via a long comment that is improperly stored because of limitations on the MySQL TEXT data type.

Sources

WordPress Core 4.2 - Persistent Cross-Site ScriptingExploit
klikki · php · Apr 27, 2015

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