How severe is CVE-2016-5305?

CVE-2016-5305 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2016-5305 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-5305?

CVE-2016-5305 affects Symantec Endpoint Protection Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-5305?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-5305 published?

CVE-2016-5305 was published on 2016-06-30 and last updated on 2026-06-17.

CVE-2016-5305

CVE-2016-5305 is a medium-severity vulnerability in Symantec Endpoint Protection Manager with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Symantec Endpoint Protection Manager
Published: 2016-06-30
Last modified: 2026-06-17

Description

Multiple cross-site scripting (XSS) vulnerabilities in management scripts in Symantec Endpoint Protection Manager (SEPM) 12.1 before RU6 MP5 allow remote authenticated users to inject arbitrary web script or HTML via a "DOM link manipulation" attack.

Frequently asked questions

What is CVE-2016-5305?: Multiple cross-site scripting (XSS) vulnerabilities in management scripts in Symantec Endpoint Protection Manager (SEPM) 12.1 before RU6 MP5 allow remote authenticated users to inject arbitrary web script or HTML via a "DOM link manipulation" attack.
How severe is CVE-2016-5305?: CVE-2016-5305 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2016-5305 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-5305?: CVE-2016-5305 affects Symantec Endpoint Protection Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-5305?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-5305 published?: CVE-2016-5305 was published on 2016-06-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:symantec:endpoint_protection_manager:*:mp4:*:*:*:*:*:*

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