CVE-2021-24986 json
Post Grid < 2.1.16 - Reflected Cross-Site Scripting via keyword
published 2022-04-11 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11898
- 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 Post Grid WordPress plugin before 2.1.16 does not escape the keyword parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting in pages containing a Post Grid with a search form
Patch / fix
- pickplugins post_grid 2.1.16
Exploit prediction
0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/51e57f25-b8b2-44ca-9162-d7328eac64eb 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 Post Grid
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/51e57f25-b8b2-44ca-9162-d7328eac64eb
exploit, third-party-advisory
Sources
- CVE List CVE-2021-24986
- NVD CVE-2021-24986
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