What is CVE-2021-25104?

CVE-2021-25104 is a medium-severity vulnerability in Oceanwp Ocean Extra, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-06-20.

How severe is CVE-2021-25104?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2021-25104 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Oceanwp Ocean Extra

CVE-2021-25104

The Ocean Extra WordPress plugin before 1.9.5 does not escape generated links which are then used when the OceanWP is active, leading to a Reflected Cross-Site Scripting issue

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-06-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.014 (72.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: +0.000

Affected products

Oceanwp Ocean Extra
Ocean Extra — versions 1.9.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

wpscan.com/vulnerability/2ee6f1d8-3803-42f6-9193-3dd8f416b558 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-25104?: CVE-2021-25104 is a medium-severity vulnerability in Oceanwp Ocean Extra, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-06-20.
How severe is CVE-2021-25104?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-25104 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.