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CVE-2021-24520

26
FAUCET Score

CVE-2021-24520 is a high-severity SQL Injection vulnerability affecting the Stock in & out WordPress plugin through version 1.0.4. This flaw allows authenticated users with contributor roles or higher to inject malicious SQL queries due to improper input sanitization. With a CVSS score of 8.8, successful exploitation could lead to full compromise of confidentiality, integrity, and availability of the affected system. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.4CPE matchmatch criteria
cpe:2.3:a:coderstimes:out_of_stock_message_for_woocommerce:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.57%
Probability of exploitation in next 30 days
EPSS Percentile
72.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0157 is in the 70th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 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

github.com / pang0lin/CVEproject/blob/main/wordpress_Stock-in-and-out_sqli.md
ExploitThird Party Advisory
wpscan.com / vulnerability/f903aadd-17af-4ddf-8635-abb3338ac815
ExploitThird Party Advisory