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CVE-2021-24664

28
FAUCET Score

CVE-2021-24664 is a stored Cross-Site Scripting (XSS) vulnerability affecting the WPSchoolPress WordPress plugin before version 2.1.17. The plugin improperly sanitizes user input before outputting it in HTML attributes, allowing attackers to inject malicious scripts. This vulnerability has a CVSS score of 4.8 (Medium), indicating a moderate risk with a network attack vector, low attack complexity, and requiring high privileges for exploitation, potentially leading to limited impact on confidentiality and integrity. While not actively exploited in the wild or on the CISA KEV catalog, public exploit code is available via ExploitDB (EDB-50520), though there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.1.17CPE matchmatch criteria
cpe:2.3:a:igexsolutions:wpschoolpress:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

4.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.7
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.36%
Probability of exploitation in next 30 days
EPSS Percentile
82.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-50520 · Nov 15, 2021
This CVE's current EPSS score of 0.0236 is in the 98th percentile among its peer group of 4,931 CVEs.

Social Chatter

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

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/164974/WordPress-WPSchoolPress-2.1.16-Cross-Site-Scripting.html
Third Party AdvisoryVDB Entry
wpscan.com / vulnerability/3f8e170c-6579-4b1a-a1ac-7d93da17b669
ExploitThird Party Advisory