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CVE-2015-7808

79
FAUCET Score

CVE-2015-7808 is a critical PHP object injection vulnerability affecting vBulletin 5 Connect versions 5.1.2 through 5.1.9, allowing remote attackers to execute arbitrary PHP code. With a CVSS score of 7.5, this vulnerability is easily exploitable over the network with low attack complexity and no authentication required, leading to potential compromise of confidentiality, integrity, and availability. While not listed on CISA's KEV catalog, public exploit code, including a Metasploit module, is readily available, indicating a high likelihood of exploitation despite limited community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
5.0.0CPE matchmatch criteria
cpe:2.3:a:vbulletin:vbulletin:5.0.0:*:*:*:*:*:*:*
5.0.1CPE matchmatch criteria
cpe:2.3:a:vbulletin:vbulletin:5.0.1:*:*:*:*:*:*:*
5.0.2CPE matchmatch criteria
cpe:2.3:a:vbulletin:vbulletin:5.0.2:*:*:*:*:*:*:*
5.0.3CPE matchmatch criteria
cpe:2.3:a:vbulletin:vbulletin:5.0.3:*:*:*:*:*:*:*
5.0.4CPE matchmatch criteria
cpe:2.3:a:vbulletin:vbulletin:5.0.4:*:*:*:*:*:*:*

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
80.64%
Probability of exploitation in next 30 days
EPSS Percentile
99.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Metasploit: vBulletin 5.1.2 Unserialize Code Execution · Nov 4, 2015
ExploitDB: EDB-48761 · Jul 24, 2017
This CVE's current EPSS score of 0.8064 is in the 99th percentile among its peer group of 51,455 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

blog.checkpoint.com / 2015/11/05/check-point-discovers-critical-vbulletin-0-day
Exploit
packetstormsecurity.com / files/134331/vBulletin-5.1.2-Unserialize-Code-Execution.html
Exploit
pastie.org / pastes/10527766/text
Exploit
blog.sucuri.net / 2015/11/vbulletin-exploits-in-the-wild.html
Exploit
exploit-db.com / exploits/38629
Exploit
rapid7.com / db/modules/exploit/multi/http/vbulletin_unserialize
Exploit