What is CVE-2021-27969?

CVE-2021-27969 is a medium-severity vulnerability in Boonex Dolphin, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-03-23.

How severe is CVE-2021-27969?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Boonex Dolphin

CVE-2021-27969

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

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-03-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Boonex Dolphin — versions 7.4.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

drive.google.com/file/d/1suqBvuoE-3U2QmWpCOXXV4_5rEu_XGJL/view (Broken Link)
www.exploit-db.com/exploits/49670 (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2021-27969?: CVE-2021-27969 is a medium-severity vulnerability in Boonex Dolphin, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-03-23.
How severe is CVE-2021-27969?: Medium severity. CVSS v3 base score is 4.8 out of 10.