New! Vulnerability Priority Rating (VPR)
Tenable calculates a dynamic VPR for every vulnerability. VPR combines vulnerability information with threat intelligence and machine learning algorithms to predict which vulnerabilities are most likely to be exploited in attacks. Read more about what VPR is and how it's different from CVSS.
VPR Score: 3
SynopsisThe remote proxy server is affected by a cross-site scripting vulnerability.
DescriptionAccording to its banner, the version of Squid running on the remote host is 3.1.x after or equal to 126.96.36.199 and prior or equal to 3.1.23, 3.2.x after or equal to 188.8.131.52, 3.3.x, 3.4.x, 3.5.x prior or equal to 3.5.28, or 4.x prior to 4.4. It is, therefore, affected by a cross-site scripting (XSS) vulnerability due to improper validation of user-supplied input before returning it to users. A remote attacker controlled server can exploit this, by triggering error page delivery to a client with injected arbitrary script code that will execute in the client's browser session.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
SolutionUpgrade to Squid version 4.4 or later. Alternatively, apply the vendor-supplied patch.