Is CVE-2014-8998 in the CISA KEV catalog?

No. CVE-2014-8998 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2014-8998?

CVE-2014-8998 has a CVSS v2 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2014-8998?

CVE-2014-8998 has an EPSS score of 36.83% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2014-8998

MEDIUMEPSS 98th pctl

6.5

CVSS v2

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.

CWE-94Code Injection

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

36.83%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

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

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.