SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2013-4211

A Code Execution Vulnerability exists in OpenX Ad Server 2.8.10 due to a backdoor in flowplayer-3.1.1.min.js library, which could let a remote malicious user execute arbitrary PHP code

EXPLOIT ✓CRITICAL 9.8EPSS 70.7%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 70.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

A Code Execution Vulnerability exists in OpenX Ad Server 2.8.10 due to a backdoor in flowplayer-3.1.1.min.js library, which could let a remote malicious user execute arbitrary PHP code

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
70.65% probability · 99th percentile
Public exploits
1 in Exploit-DB · verified · first 12 August 2013
CISA KEV
Not listed
Weakness
CWE-94
Affected
openx/openx
Source
secalert@redhat.com
EPSS trend
0%38%75%3 November 2026: 70.65%3 November 20263 November 2026

EPSS 70.7% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-27529source ↗OpenX - Backdoor PHP Code Execution (Metasploit)php · Metasploitremote12 August 2013yes

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.