CVE-2021-25019 json
SEO Plugin by Squirrly SEO < 11.1.12 - Reflected Cross-Site Scripting
published 4y ago modified 4mo ago also EUVD-2021-11931
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
The SEO Plugin by Squirrly SEO WordPress plugin before 11.1.12 does not escape the type parameter before outputting it back in an attribute in an admin page, leading to a Reflected Cross-Site Scripting
Patch / fix
- squirrly seo_plugin_by_squirrly_seo 11.1.12
Is CVE-2021-25019 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/cea0ce4b-886a-47cc-8653-a297e9759d09 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- Unknown SEO Plugin by Squirrly SEO
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/cea0ce4b-886a-47cc-8653-a297e9759d09
exploit, third-party-advisory
Sources
- CVE List CVE-2021-25019
- NVD CVE-2021-25019
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.