CVE-2014-8998

Exp

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.

Published: 2014-11-20 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2014-8998 is rated High Exploit Risk (77.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 66.00%, 98th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.95% over the last day, indicating growing attacker interest. Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2014-8998

EDB-ID Source Kind Published Link
35183 exploit_db edb 2014-11-06 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2014-8998

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-04-05 64.05% 66.00% +1.95%
2 2025-03-30 66.38% 64.05% -2.33%
3 2025-03-29 — 66.38% —

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2014-8998

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 6.4 [email protected]

Weakness enumeration for CVE-2014-8998

Affected software / configurations for CVE-2014-8998

Vendor Product Version Raw CPE
x7chat x7_chat 2.0.0 cpe:2.3:a:x7chat:x7_chat:2.0.0:*:*:*:*:*:*:*
x7chat x7_chat 2.0.0 cpe:2.3:a:x7chat:x7_chat:2.0.0:a1:*:*:*:*:*:*
x7chat x7_chat 2.0.0 cpe:2.3:a:x7chat:x7_chat:2.0.0:a2:*:*:*:*:*:*
x7chat x7_chat 2.0.0 cpe:2.3:a:x7chat:x7_chat:2.0.0:a3:*:*:*:*:*:*
x7chat x7_chat 2.0.0 cpe:2.3:a:x7chat:x7_chat:2.0.0:b1:*:*:*:*:*:*
x7chat x7_chat 2.0.0 cpe:2.3:a:x7chat:x7_chat:2.0.0:b2:*:*:*:*:*:*
x7chat x7_chat 2.0.1 cpe:2.3:a:x7chat:x7_chat:2.0.1:a1:*:*:*:*:*:*
x7chat x7_chat 2.0.2 cpe:2.3:a:x7chat:x7_chat:2.0.2:*:*:*:*:*:*:*
x7chat x7_chat 2.0.3 cpe:2.3:a:x7chat:x7_chat:2.0.3:*:*:*:*:*:*:*
x7chat x7_chat 2.0.4 cpe:2.3:a:x7chat:x7_chat:2.0.4:*:*:*:*:*:*:*
x7chat x7_chat 2.0.4.1 cpe:2.3:a:x7chat:x7_chat:2.0.4.1:*:*:*:*:*:*:*
x7chat x7_chat 2.0.4.3 cpe:2.3:a:x7chat:x7_chat:2.0.4.3:*:*:*:*:*:*:*
x7chat x7_chat 2.0.4.4 cpe:2.3:a:x7chat:x7_chat:2.0.4.4:*:*:*:*:*:*:*
x7chat x7_chat 2.0.5 cpe:2.3:a:x7chat:x7_chat:2.0.5:*:*:*:*:*:*:*
x7chat x7_chat 2.0.5.1 cpe:2.3:a:x7chat:x7_chat:2.0.5.1:*:*:*:*:*:*:*

References for CVE-2014-8998

cvelogic Threat Intelligence