What is CVE-2021-25008?

CVE-2021-25008 is a medium-severity vulnerability in Codesnippets Code Snippets, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-01-24.

How severe is CVE-2021-25008?

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

Is CVE-2021-25008 known to be exploited?

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

XSS in Codesnippets Code Snippets

CVE-2021-25008

The Code Snippets WordPress plugin before 2.14.3 does not escape the snippets-safe-mode parameter before outputting it back in attributes, leading to a Reflected Cross-Site Scripting issue

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-01-24 · 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: 0.023 (82.3th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Codesnippets Code Snippets
Code Snippets — versions 2.14.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

wpscan.com/vulnerability/cb232354-f74d-48bb-b437-7bdddd1df42a (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-25008?: CVE-2021-25008 is a medium-severity vulnerability in Codesnippets Code Snippets, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-01-24.
How severe is CVE-2021-25008?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-25008 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.