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CVE-2021-24245

40
FAUCET Score

CVE-2021-24245 is a reflected Cross-Site Scripting (XSS) vulnerability in the Stop Spammers WordPress plugin prior to version 2021.9. The flaw arises from insufficient sanitization of user input when blocking requests, allowing malicious scripts to be injected. With a CVSS score of 6.1 (Medium), this vulnerability can be exploited remotely with low attack complexity, potentially leading to information disclosure and unauthorized actions within the user's browser session. While not listed on CISA's KEV catalog, public exploit code and Nuclei templates are available, indicating a potential for exploitation, though community discussion and media coverage remain low.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2021.9, < 2021.9CPE match
cpe:2.3:a:trumani:stop_spammers:*:*:*:*:*:wordpress:*:*
< 2021.9CPE matchmatch criteria
cpe:2.3:a:trumani:stop_spammers:*:*:*:*:*: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
5.72%
Probability of exploitation in next 30 days
EPSS Percentile
92.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-24245 · Jun 2, 2022
ExploitDB: EDB-49880 · May 19, 2021
This CVE's current EPSS score of 0.0572 is in the 97th percentile among its peer group of 26,234 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

packetstormsecurity.com / files/162623/WordPress-Stop-Spammers-2021.8-Cross-Site-Scripting.html
ExploitThird Party AdvisoryVDB Entry
wpscan.com / vulnerability/5e7accd6-08dc-4c6e-9d19-73e2d7e97735
ExploitThird Party Advisory