CVE-2021-25099 json
Give < 2.17.3 - Unauthenticated Reflected Cross-Site Scripting
published 2022-02-21 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12011
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
The GiveWP WordPress plugin before 2.17.3 does not sanitise and escape the form_id parameter before outputting it back in the response of an unauthenticated request via the give_checkout_login AJAX action, leading to a Reflected Cross-Site Scripting
Patch / fix
- givewp givewp 2.17.3
Exploit prediction
2.15% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template WordPress GiveWP <2.17.3 - Cross-Site Scripting nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/87a64b27-23a3-40f5-a3d8-0650975fee6f 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 GiveWP – Donation Plugin and Fundraising Platform
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/87a64b27-23a3-40f5-a3d8-0650975fee6f
exploit, third-party-advisory
-
plugins.trac.wordpress.org
/changeset/2659032
release-notes, third-party-advisory
Sources
- CVE List CVE-2021-25099
- NVD CVE-2021-25099
Fencer Vulns 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.