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CVE-2021-39312

82
FAUCET Score

CVE-2021-39312 is a high-severity Local File Inclusion (LFI) vulnerability affecting the True Ranker plugin for WordPress versions up to 2.2.2. It allows unauthenticated attackers to read arbitrary files, including sensitive configuration files like wp-config.php, by manipulating the 'src' parameter in a specific plugin file. With a CVSS score of 7.5 and an EPSS score indicating high exploitability, this vulnerability poses a significant risk of data exposure. While not listed on the KEV catalog, public exploit code is available via ExploitDB and Nuclei templates, suggesting a potential for exploitation despite limited community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.2.2CPE matchmatch criteria
cpe:2.3:a:trueranker:true_ranker:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
77.94%
Probability of exploitation in next 30 days
EPSS Percentile
99.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-39312 · May 1, 2022
ExploitDB: EDB-50624 · Jan 5, 2022
This CVE's current EPSS score of 0.7794 is in the 99th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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/165434/WordPress-The-True-Ranker-2.2.2-Arbitrary-File-Read.html
ExploitThird Party AdvisoryVDB Entry
plugins.trac.wordpress.org / browser/seo-local-rank/tags/2.2.2/admin/vendor/datatables/examples/resources/examples.php
Third Party Advisory
wordfence.com / vulnerability-advisories
Third Party Advisory