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CVE-2021-25099

31
FAUCET Score

CVE-2021-25099 is a Reflected Cross-Site Scripting (XSS) vulnerability affecting the GiveWP WordPress plugin versions prior to 2.17.3. It occurs due to insufficient sanitization of the 'form_id' parameter in unauthenticated AJAX requests. This medium-severity vulnerability (CVSS 6.1) can be exploited remotely with low complexity, potentially leading to information disclosure and limited integrity impact on the user's browser. While no active exploitation or Metasploit modules are reported, Nuclei templates exist, and there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.17.3CPE matchmatch criteria
cpe:2.3:a:givewp:givewp:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.15%
Probability of exploitation in next 30 days
EPSS Percentile
80.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-25099 · Dec 12, 2022
This CVE's current EPSS score of 0.0215 is in the 90th percentile among its peer group of 26,221 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

plugins.trac.wordpress.org / changeset/2659032
Release NotesThird Party Advisory
wpscan.com / vulnerability/87a64b27-23a3-40f5-a3d8-0650975fee6f
ExploitThird Party Advisory