6.1med

CVE-2017-20239

MDwiki Cross-Site Scripting via Location Hash Parameter

Published 6 mo ago · modified 36 d ago · JSON

CVSS
6.1
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 19%
Public exploits
0
none known

Summary

MDwiki contains a cross-site scripting vulnerability that allows remote attackers to execute arbitrary JavaScript by injecting malicious code through the location hash parameter. Attackers can craft URLs with JavaScript payloads in the hash fragment that are parsed and rendered without sanitization, causing the injected scripts to execute in the victim's browser context.

CISA SSVC assessment

Exploitation
Proof of concept public
Automatable
no
Technical impact
partial
Assessed
6 mo ago

Exploit prediction (EPSS)

0.27% probability of exploitation in the next 30 days, higher than 19% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA4.05.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CNA3.16.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA4.05.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA3.16.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • Dynalon MDwiki

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

  • exploit-db.com /exploits/46097 · exploit
  • vulncheck.com /advisories/mdwiki-cross-site-scripting-via-location-hash-parameter · third-party-advisory

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.