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CVE-2010-3870

MEDIUM severity · CVSS 6.8 · Improper input validation
6.8CVSS MEDIUM

Summary

The utf8_decode function in PHP before 5.3.4 does not properly handle non-shortest form UTF-8 encoding and ill-formed subsequences in UTF-8 data, which makes it easier for remote attackers to bypass cross-site scripting (XSS) and SQL injection protection mechanisms via a crafted string.

Impact & exploitability

Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impact—
Integrity impact—
Availability impact—
Exploit probability (EPSS)11%

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

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.