CVE-2017-5677
PEAR HTML_AJAX 0.3.0 through 0.5.7 has a PHP Object Injection Vulnerability in the PHP Serializer...
CVE-2017-5677 is a critical vulnerability (CVSS 9.8) in Pear Html Ajax, published February 6, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.83%, the 92nd percentile. No source names a fixed version.
- Severity
- 9.8 CriticalCVSS 3.0, NVD
- Exploit chance
- 4.83%EPSS, 92nd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
What each source reports
NVD Score used
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.
- Record
CVE-2017-5677- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2017-5677- Updated
- 2026-11-02
EUVDEUVD-2017-14754No score
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.
- Record
EUVD-2017-14754- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7p7h-4fmj-whxr
PEAR HTML_AJAX 0.3.0 through 0.5.7 has a PHP Object Injection Vulnerability in the PHP Serializer...
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.
- Record
GHSA-7p7h-4fmj-whxr- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
karmainsecurity.com/KIS-2017-01
blog.pear.php.net/2017/02/02/security-html_ajax-058
seclists.org/fulldisclosure/2017/Feb/12
securityfocus.com/bid/96044
gitweb.gentoo.org/repo/gentoo.git/commit?id=f5acb5adcd195f9a06b732794cb0de7620def646
pear.php.net/bugs/bug.php?id=21165
nvd.nist.gov/vuln/detail/CVE-2017-5677
github.com/advisories/GHSA-7p7h-4fmj-whxr