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CVE-2017-5677

CRITICAL

PEAR HTML_AJAX 0.3.0 through 0.5.7 has a PHP Object Injection Vulnerability in the PHP Serializer. It allows remote code execution. In one viewpoint, the root cause is an incorrect regular expression.

Published: Feb 6, 2017 Modified: Jun 17, 2026
NVD-CWE-noinfo

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (15)

Vendor Product Version
pear html_ajax 0.3.0
pear html_ajax 0.3.1
pear html_ajax 0.3.2
pear html_ajax 0.3.3
pear html_ajax 0.3.4
pear html_ajax 0.4.0
pear html_ajax 0.4.1
pear html_ajax 0.5.0
pear html_ajax 0.5.1
pear html_ajax 0.5.2
pear html_ajax 0.5.3
pear html_ajax 0.5.4
pear html_ajax 0.5.5
pear html_ajax 0.5.6
pear html_ajax 0.5.7

GitHub Security Advisory GHSA-7p7h-4fmj-whxr

PEAR HTML_AJAX 0.3.0 through 0.5.7 has a PHP Object Injection Vulnerability in the PHP Serializer...

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 4.83%

Top 9% most likely to be exploited

Threat Score 40.6 / 100

Data Sources

NVD EPSS GitHub