How severe is CVE-2020-26046?

CVE-2020-26046 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-2020-26046 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26046?

CVE-2020-26046 affects Thedaylightstudio Fuel Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26046?

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

When was CVE-2020-26046 published?

CVE-2020-26046 was published on 2021-01-05 and last updated on 2026-06-17.

CVE-2020-26046

CVE-2020-26046 is a medium-severity vulnerability in Thedaylightstudio Fuel Cms 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: 4.3
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Thedaylightstudio Fuel Cms
Published: 2021-01-05
Last modified: 2026-06-17

Description

FUEL CMS 1.4.11 has stored XSS in Blocks/Navigation/Site variables. This could lead to cookie stealing and other malicious actions. This vulnerability can be exploited with an authenticated account and also impact other visitors.

Frequently asked questions

What is CVE-2020-26046?: FUEL CMS 1.4.11 has stored XSS in Blocks/Navigation/Site variables. This could lead to cookie stealing and other malicious actions. This vulnerability can be exploited with an authenticated account and also impact other visitors.
How severe is CVE-2020-26046?: CVE-2020-26046 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-2020-26046 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26046?: CVE-2020-26046 affects Thedaylightstudio Fuel Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26046?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-26046 published?: CVE-2020-26046 was published on 2021-01-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:thedaylightstudio:fuel_cms:1.4.11:*:*:*:*:*:*:*

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