CVE-2013-6808

Exp

Cross-site scripting (XSS) vulnerability in lib/NSSDropoff.php in ZendTo before 4.11-13 allows remote attackers to inject arbitrary web script or HTML via a modified emailAddr field to pickup.php.

Published: 2013-12-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-6808 is rated Exploit Available (58/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.46%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.24% 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-2013-6808

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-6808

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 0.22% 1.46% +1.24%
2 2026-04-08 0.32% 0.22% -0.10%
3 2026-03-03 — 0.32% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-6808

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-2013-6808

Affected software / configurations for CVE-2013-6808

Vendor Product Version Raw CPE
zend zendto <= 4.11-12 cpe:2.3:a:zend:zendto:*:*:*:*:*:*:*:*
zend zendto 4.00 cpe:2.3:a:zend:zendto:4.00:*:*:*:*:*:*:*
zend zendto 4.01 cpe:2.3:a:zend:zendto:4.01:*:*:*:*:*:*:*
zend zendto 4.02 cpe:2.3:a:zend:zendto:4.02:*:*:*:*:*:*:*
zend zendto 4.03-3 cpe:2.3:a:zend:zendto:4.03-3:*:*:*:*:*:*:*
zend zendto 4.05-2 cpe:2.3:a:zend:zendto:4.05-2:*:*:*:*:*:*:*
zend zendto 4.06-2 cpe:2.3:a:zend:zendto:4.06-2:*:*:*:*:*:*:*
zend zendto 4.07-1 cpe:2.3:a:zend:zendto:4.07-1:*:*:*:*:*:*:*
zend zendto 4.08-4 cpe:2.3:a:zend:zendto:4.08-4:*:*:*:*:*:*:*
zend zendto 4.09-1 cpe:2.3:a:zend:zendto:4.09-1:*:*:*:*:*:*:*
zend zendto 4.10-4 cpe:2.3:a:zend:zendto:4.10-4:*:*:*:*:*:*:*
zend zendto 4.10-5 cpe:2.3:a:zend:zendto:4.10-5:*:*:*:*:*:*:*
zend zendto 4.11-1 cpe:2.3:a:zend:zendto:4.11-1:*:*:*:*:*:*:*
zend zendto 4.11-2 cpe:2.3:a:zend:zendto:4.11-2:*:*:*:*:*:*:*
zend zendto 4.11-3 cpe:2.3:a:zend:zendto:4.11-3:*:*:*:*:*:*:*
zend zendto 4.11-4 cpe:2.3:a:zend:zendto:4.11-4:*:*:*:*:*:*:*
zend zendto 4.11-5 cpe:2.3:a:zend:zendto:4.11-5:*:*:*:*:*:*:*
zend zendto 4.11-7 cpe:2.3:a:zend:zendto:4.11-7:*:*:*:*:*:*:*
zend zendto 4.11-8 cpe:2.3:a:zend:zendto:4.11-8:*:*:*:*:*:*:*
zend zendto 4.11-9 cpe:2.3:a:zend:zendto:4.11-9:*:*:*:*:*:*:*
zend zendto 4.11-10 cpe:2.3:a:zend:zendto:4.11-10:*:*:*:*:*:*:*
zend zendto 4.11-11 cpe:2.3:a:zend:zendto:4.11-11:*:*:*:*:*:*:*

References for CVE-2013-6808

cvelogic Threat Intelligence