CVE-2021-25010: postsnippets post_snippets Cross-Site Request Forgery (CSRF)
Vulnerability summary
CVE-2021-25010 is a critical (CVSS 9.6) Cross-Site Request Forgery (CSRF) vulnerability in postsnippets post_snippets. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48.5% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 28-02-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The Post Snippets WordPress plugin before 3.1.4 does not have CSRF check when importing files, allowing attacker to make a logged In admin import arbitrary snippets. Furthermore, imported snippers are not sanitised and escaped, which could lead to Stored Cross-Site Scripting issues
CVSS metrics
3 scores · 2 sources · 2 versions- wordfenceSource9.6CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.61%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
0.00 pp
From 0.61% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Postsnippets1 product
- post_snippets< 3.1.4
Unknown1 product
- post snippets≥ 3.1.4, < 3.1.4
Wordpress1 product
- post-snippets≤ 3.1.3 (fixed in 3.1.4)
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/d1ebd15a-72ab-4ba2-a212-7e2eea0b0fb0X Refsource MISCExploitThird Party Advisory