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CVE-2021-24507

35
FAUCET Score

CVE-2021-24507 is a critical SQL Injection vulnerability affecting the Astra Pro Addon WordPress plugin prior to version 3.5.2. This flaw allows unauthenticated attackers to inject malicious SQL queries through unsanitized POST parameters in AJAX actions. With a CVSS score of 9.8, it poses a severe risk of full compromise of confidentiality, integrity, and availability. Despite its high severity and EPSS score, there is currently no evidence of active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.5.2CPE matchmatch criteria
cpe:2.3:a:brainstormforce:astra:*:*:*:*:pro:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
11.00%
Probability of exploitation in next 30 days
EPSS Percentile
95.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1100 is in the 91st percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

wpastra.com / changelog/astra-pro-addon
Release NotesVendor Advisory
wpscan.com / vulnerability/a1a0dc0b-c351-4d46-ac9b-b297ce4d251c
ExploitThird Party Advisory