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CVE-2021-34117

24
FAUCET Score

CVE-2021-34117 is a high-severity SQL Injection vulnerability affecting SEO Panel 4.9.0, specifically within the getUserName function in api/user.api.php via the username parameter. This flaw allows unauthenticated attackers to remotely extract sensitive information from the system. While the CVSS score is 7.5 (High), indicating a significant risk, there is currently no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit or Nuclei, or entries in ExploitDB. Community discussion and media coverage for this CVE are also minimal.

Impacted Technologies

VendorProductVersion(s)CPE
4.9.0CPE matchmatch criteria
cpe:2.3:a:seopanel:seo_panel:4.9.0:*:*:*:*:*:*:*

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
0.94%
Probability of exploitation in next 30 days
EPSS Percentile
57.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0094 is in the 32nd percentile among its peer group of 51,551 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

Vendor Patches (1)

github_advisoryvendor investigatingvia nvd_reference
View patch

References

gist.github.com / victomteng1997/a0d47d6982a7b382f632ec7e8c3307f1
ExploitThird Party Advisory
github.com / seopanel/Seo-Panel/issues/219
ExploitVendor Advisory
seopanel.org
Vendor Advisory