SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2016-7851

This vulnerability could be exploited in cross-site scripting attacks.

EXPLOIT ✓MEDIUM 6.1EPSS 7.01%

Does this matter?

A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 7.0%. Treat it as high on anything reachable from the internet.

Description

Adobe Connect version 9.5.6 and earlier does not adequately validate input in the events registration module. This vulnerability could be exploited in cross-site scripting attacks.

CVSS 3.0
6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
7.01% probability · 94th percentile
Public exploits
1 in Exploit-DB · verified · first 9 November 2016
CISA KEV
Not listed
Weakness
CWE-79
Affected
adobe/connect
Source
psirt@adobe.com
EPSS trend
0%5%10%21 September 2026: 4.65%22 September 2026: 7.01%27 October 2026: 7.01%21 September 202627 October 2026

EPSS moved from 4.6% on 21 September 2026 to 7.0% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

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-40742source ↗Adobe Connect 9.5.7 - Cross-Site Scriptingwindows · Vulnerability-Labwebapps9 November 2016yes

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