How severe is CVE-2021-27969?

CVE-2021-27969 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-27969 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-2021-27969?

CVE-2021-27969 affects Boonex Dolphin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-27969?

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

When was CVE-2021-27969 published?

CVE-2021-27969 was published on 2021-03-23 and last updated on 2026-06-17.

CVE-2021-27969

CVE-2021-27969 is a medium-severity vulnerability in Boonex Dolphin with a CVSS 3.x base score of 4.8. 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 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Boonex Dolphin
Published: 2021-03-23
Last modified: 2026-06-17

Description

Dolphin CMS 7.4.2 is vulnerable to stored XSS via the Page Builder "width" parameter.

Frequently asked questions

What is CVE-2021-27969?: Dolphin CMS 7.4.2 is vulnerable to stored XSS via the Page Builder "width" parameter.
How severe is CVE-2021-27969?: CVE-2021-27969 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-27969 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-2021-27969?: CVE-2021-27969 affects Boonex Dolphin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27969?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-27969 published?: CVE-2021-27969 was published on 2021-03-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:boonex:dolphin:7.4.2:*:*:*:*:*:*:*

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