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CVE-2009-4837

15
FAUCET Score

CVE-2009-4837 describes multiple cross-site scripting (XSS) vulnerabilities in Basic Analysis and Security Engine (BASE) versions prior to 1.4.3.1. These flaws allow remote attackers to inject arbitrary web script or HTML through specific parameters in base_qry_main.php, base_stat_alerts.php, and base_stat_uaddr.php. The vulnerability has a CVSS score of 4.3 (Medium), indicating a network-based attack with medium complexity, requiring no authentication, and primarily impacting integrity (partial). There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.4.3CPE matchmatch criteria
cpe:2.3:a:secureideas:basic_analysis_and_security_engine:*:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:secureideas:basic_analysis_and_security_engine:1.1:*:*:*:*:*:*:*
1.1.2CPE matchmatch criteria
cpe:2.3:a:secureideas:basic_analysis_and_security_engine:1.1.2:*:*:*:*:*:*:*
1.1.3CPE matchmatch criteria
cpe:2.3:a:secureideas:basic_analysis_and_security_engine:1.1.3:*:*:*:*:*:*:*
1.1.4CPE matchmatch criteria
cpe:2.3:a:secureideas:basic_analysis_and_security_engine:1.1.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.10%
Probability of exploitation in next 30 days
EPSS Percentile
62.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0110 is in the 24th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

base.secureideas.net / news.php
secunia.com / advisories/35222
Vendor Advisory
secureideas.cvs.sourceforge.net / viewvc/secureideas/base-php4/base_ag_common.php
spl0it.org / files/BASE-XSS/Reflective-notes.txt
Exploit