How severe is CVE-2019-15954?

CVE-2019-15954 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-15954 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 79% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15954?

CVE-2019-15954 affects Totaljs Total.js Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15954?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-15954 published?

CVE-2019-15954 was published on 2019-09-05 and last updated on 2026-06-17.

CVE-2019-15954

CVE-2019-15954 is a critical-severity vulnerability in Totaljs Total.js Cms with a CVSS 3.x base score of 9.9. Its EPSS exploit-prediction score of 79% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-862.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
CVSS v2: 9.0
EPSS exploit prediction: 79% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Totaljs Total.js Cms
Published: 2019-09-05
Last modified: 2026-06-17

Description

An issue was discovered in Total.js CMS 12.0.0. An authenticated user with the widgets privilege can gain achieve Remote Command Execution (RCE) on the remote server by creating a malicious widget with a special tag containing JavaScript code that will be evaluated server side. In the process of evaluating the tag by the back-end, it is possible to escape the sandbox object by using the following payload: <script total>global.process.mainModule.require(child_process).exec(RCE);</script>

Frequently asked questions

What is CVE-2019-15954?: An issue was discovered in Total.js CMS 12.0.0. An authenticated user with the widgets privilege can gain achieve Remote Command Execution (RCE) on the remote server by creating a malicious widget with a special tag containing JavaScript code that will be evaluated server side. In the process of evaluating the tag by the back-end, it is possible to escape the sandbox object by using the following payload: <script total>global.process.mainModule.require(child_process).exec(RCE);</script>
How severe is CVE-2019-15954?: CVE-2019-15954 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-15954 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 79% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15954?: CVE-2019-15954 affects Totaljs Total.js Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15954?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-15954 published?: CVE-2019-15954 was published on 2019-09-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:totaljs:total.js_cms:12.0.0:*:*:*:*:*:*:*

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