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Vulnerability record · CVE-2014-8998 · published 20 November 2014

CVE-2014-8998: X7chat x7 chat code injection vulnerability

XX7chat · X7 Chat

lib/message.php in X7 Chat 2.0.0 through 2.0.5.1 allows remote authenticated users to execute arbitrary PHP code via a crafted HTTP header to index.php, which is processed by the preg_replace function with the eval switch.

6.5 CVSS 2.0 Medium EPSS 36% · top 1.6% CWE-94 · Code injection
6.5CVSS 2.0 base score
36%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

lib/message.php in X7 Chat 2.0.0 through 2.0.5.1 allows remote authenticated users to execute arbitrary PHP code via a crafted HTTP header to index.php, which is processed by the preg_replace function with the eval switch.

AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/128964/X7-Chat-2.0.5-lib-message.php-preg_replace-PHP-Code-Execution.html Exploit
http://www.exploit-db.com/exploits/35183 Exploit
http://www.securityfocus.com/bid/71014
https://exchange.xforce.ibmcloud.com/vulnerabilities/98513
http://packetstormsecurity.com/files/128964/X7-Chat-2.0.5-lib-message.php-preg_replace-PHP-Code-Execution.html Exploit
http://www.exploit-db.com/exploits/35183 Exploit
http://www.securityfocus.com/bid/71014
https://exchange.xforce.ibmcloud.com/vulnerabilities/98513

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2014-8998), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.