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CVE-2013-4335

28
FAUCET Score

CVE-2013-4335 is a critical XML External Entity (XXE) injection vulnerability affecting multiple versions of the openpne opOpenSocialPlugin. With a CVSS score of 9.8, this vulnerability allows an unauthenticated attacker to achieve full compromise of confidentiality, integrity, and availability over the network with low attack complexity. Despite its severity, there is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.8.2.1CPE matchmatch criteria
cpe:2.3:a:openpne:opopensocialplugin:0.8.2.1:*:*:*:*:openpne:*:*
0.9.9.2CPE matchmatch criteria
cpe:2.3:a:openpne:opopensocialplugin:0.9.9.2:*:*:*:*:openpne:*:*
0.9.13CPE matchmatch criteria
cpe:2.3:a:openpne:opopensocialplugin:0.9.13:*:*:*:*:openpne:*:*
1.2.6CPE matchmatch criteria
cpe:2.3:a:openpne:opopensocialplugin:1.2.6:*:*:*:*:openpne:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.46%
Probability of exploitation in next 30 days
EPSS Percentile
82.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0246 is in the 73rd percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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/87033
Third Party AdvisoryVDB Entry
openwall.com / lists/oss-security/2013/09/11/6
Mailing ListThird Party Advisory
securityfocus.com / bid/62287
Third Party AdvisoryVDB Entry