CVE-2013-2643

Exp

Multiple cross-site scripting (XSS) vulnerabilities in Sophos Web Appliance before 3.7.8.2 allow remote attackers to inject arbitrary web script or HTML via the (1) xss parameter in an allow action to rss.php, (2) msg parameter to end-user/errdoc.php, (3) h parameter to end-user/ftp_redirect.php, or (4) threat parameter to the Blocked component.

Published: 2014-03-18 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-2643 is rated High Exploit Risk (67.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 4.53%, 90th percentile). 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +3.56% 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-2013-2643

EDB-ID Source Kind Published Link
24932 exploit_db edb 2013-04-08 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-2643

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 2026-06-15 0.97% 4.53% +3.56%
2 2026-03-04 0.58% 0.97% +0.39%
3 2025-11-01 — 0.58% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-2643

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2013-2643

Affected software / configurations for CVE-2013-2643

Vendor Product Version Raw CPE
sophos web_appliance_firmware <= 3.7.8.1 cpe:2.3:o:sophos:web_appliance_firmware:*:*:*:*:*:*:*:*
sophos web_appliance — cpe:2.3:h:sophos:web_appliance:-:*:*:*:*:*:*:*

References for CVE-2013-2643

cvelogic Threat Intelligence