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CVE-2020-27481

47
FAUCET Score

CVE-2020-27481 is an unauthenticated SQL Injection vulnerability in the Good Layers LMS Plugin up to version 2.1.4, allowing attackers to directly inject SQL queries due to unsanitized input in the "gdlr_lms_cancel_booking" function. This critical vulnerability, rated 9.8 CVSS, has a network attack vector, low complexity, and can lead to complete compromise of confidentiality, integrity, and availability. While not listed on CISA KEV, Nuclei templates exist for exploitation, and it has garnered significant community discussion with 10 mentions.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.1.4CPE matchmatch criteria
cpe:2.3:a:goodlayers:good_learning_management_system:*:*:*:*:*: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
10.64%
Probability of exploitation in next 30 days
EPSS Percentile
95.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2020-27481 · Sep 30, 2022
This CVE's current EPSS score of 0.1064 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

gist.github.com / 0xx7/a7aaa8b0515139cf7e30c808c8d54070
ExploitThird Party Advisory