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CVE-2021-24878

31
FAUCET Score

CVE-2021-24878 describes a Reflected Cross-Site Scripting (XSS) vulnerability in the SupportCandy WordPress plugin versions prior to 2.2.7. This flaw occurs because the plugin fails to properly sanitize and escape query string parameters before displaying them on pages containing the [wpsc_create_ticket] shortcode. With a CVSS score of 6.1 (Medium), this vulnerability can be exploited remotely with low attack complexity, requiring user interaction to achieve partial confidentiality and integrity impacts. The FAUCET Risk Score is 81/100, indicating a notable risk. Currently, there is no evidence of active exploitation, and no Metasploit or ExploitDB modules are available. While Nuclei templates exist for detection, community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.2.7CPE matchmatch criteria
cpe:2.3:a:supportcandy:supportcandy:*:*:*:*:*: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
1.17%
Probability of exploitation in next 30 days
EPSS Percentile
64.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-24878 · Sep 9, 2025
This CVE's current EPSS score of 0.0117 is in the 77th 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

wpscan.com / vulnerability/d2f1fd60-5e5e-4e38-9559-ba2d14ae37bf
ExploitThird Party Advisory