CVE-2021-24976 json
Smart SEO Tool < 3.0.6 - Reflected Cross-Site Scripting
published 2022-01-24 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11888
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 60%
- public exploits
- 0
- none known
Summary
The Smart SEO Tool WordPress plugin before 3.0.6 does not sanitise and escape the search parameter before outputting it back in an attribute when the TDK optimisation setting is enabled, leading to a Reflected Cross-Site Scripting
Patch / fix
Exploit prediction
0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/7d5f58a8-bee4-46be-9c08-d272678338f0 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 | 2.6 | AV:N/AC:H/Au:N/C:N/I:P/A:N |
Affected products
- Unknown Smart SEO Tool – SEO优化插件
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
plugins.trac.wordpress.org
/changeset/2637305
patch, third-party-advisory
-
wpscan.com
/vulnerability/7d5f58a8-bee4-46be-9c08-d272678338f0
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24976
- NVD CVE-2021-24976
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