How severe is CVE-2017-12066?

CVE-2017-12066 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-2017-12066 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12066?

CVE-2017-12066 affects Cacti. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-12066?

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

When was CVE-2017-12066 published?

CVE-2017-12066 was published on 2017-08-01 and last updated on 2026-06-17.

CVE-2017-12066

CVE-2017-12066 is a medium-severity vulnerability in Cacti 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% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cacti
Published: 2017-08-01
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in aggregate_graphs.php in Cacti before 1.1.16 allows remote authenticated users to inject arbitrary web script or HTML via specially crafted HTTP Referer headers, related to the $cancel_url variable. NOTE: this vulnerability exists because of an incomplete fix (lack of the htmlspecialchars ENT_QUOTES flag) for CVE-2017-11163.

Frequently asked questions

What is CVE-2017-12066?: Cross-site scripting (XSS) vulnerability in aggregate_graphs.php in Cacti before 1.1.16 allows remote authenticated users to inject arbitrary web script or HTML via specially crafted HTTP Referer headers, related to the $cancel_url variable. NOTE: this vulnerability exists because of an incomplete fix (lack of the htmlspecialchars ENT_QUOTES flag) for CVE-2017-11163.
How severe is CVE-2017-12066?: CVE-2017-12066 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-2017-12066 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12066?: CVE-2017-12066 affects Cacti. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-12066?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-12066 published?: CVE-2017-12066 was published on 2017-08-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cacti:cacti:*:*:*:*:*:*:*:*

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