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CVE-2009-4621

28
FAUCET Score

CVE-2009-4621 describes a SQL injection vulnerability in the JiangHu Inn plugin, versions 1.1 and earlier, for Discuz! forum software. This flaw allows unauthenticated remote attackers to execute arbitrary SQL commands by manipulating the 'id' parameter in a 'show' action to forummission.php. With a CVSS score of 7.5, this vulnerability is considered highly severe, enabling potential compromise of data confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, public exploit code exists (ExploitDB-9576), indicating a clear path for exploitation, though there is minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.1CPE matchmatch criteria
cpe:2.3:a:patching:jianghu_inn:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.00%
Probability of exploitation in next 30 days
EPSS Percentile
59.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-9576 · Sep 2, 2009
This CVE's current EPSS score of 0.0100 is in the 35th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

exchange.xforce.ibmcloud.com / vulnerabilities/52984
exploit-db.com / exploits/9576
securityfocus.com / bid/36222
Exploit
vupen.com / english/advisories/2009/2525
Vendor Advisory