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CVE-2010-4403

18
FAUCET Score

CVE-2010-4403 describes an information disclosure vulnerability affecting the Register Plus plugin (versions 3.5.1 and earlier) for WordPress. Remote attackers can obtain sensitive installation path information by directly requesting specific plugin files, leading to error messages revealing this data. With a CVSS score of 5.0, this low-complexity vulnerability requires no authentication and only impacts confidentiality, as it exposes system paths. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this decade-old CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.5.1CPE matchmatch criteria
cpe:2.3:a:devbits:register-plus:*:*:*:*:*:*:*:*
1.1CPE matchmatch criteria
cpe:2.3:a:devbits:register-plus:1.1:*:*:*:*:*:*:*
1.2CPE matchmatch criteria
cpe:2.3:a:devbits:register-plus:1.2:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:devbits:register-plus:2.0:*:*:*:*:*:*:*
2.1CPE matchmatch criteria
cpe:2.3:a:devbits:register-plus:2.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.37%
Probability of exploitation in next 30 days
EPSS Percentile
82.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0237 is in the 73rd percentile among its peer group of 23,684 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

packetstormsecurity.org / files/view/96143/registerplus-xss.txt
Exploit
websecurity.com.ua / 4539
Exploit
securityfocus.com / archive/1/514903/100/0/threaded