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Fencer Vulns
medium 6.1

CVE-2018-12998 json

A reflected Cross-site scripting (XSS) vulnerability in Zoho ManageEngine Netflow Analyzer before build 123137, Network Configuration Manag…

published 2018-06-29 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-4949

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
99.2%
EPSS 99.2% chance of exploitation in 30 days, percentile 99.9%
public exploits
0
none known, plus a Nuclei check

Summary

A reflected Cross-site scripting (XSS) vulnerability in Zoho ManageEngine Netflow Analyzer before build 123137, Network Configuration Manager before build 123128, OpManager before build 123148, OpUtils before build 123161, and Firewall Analyzer before build 123147 allows remote attackers to inject arbitrary web script or HTML via the parameter 'operation' to /servlet/com.adventnet.me.opmanager.servlet.FailOverHelperServlet.

Exploit prediction

99.21% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Zoho manageengine - Cross-Site Scripting nuclei detection template
  • packetstormsecurity.com http://packetstormsecurity.com/files/148635/Zoho-ManageEngine-13-13790-build-XSS-File-Read-File-Deletion.html referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/unh3x/just4cve/issues/10 referenced PoC, tagged "exploit" by a source, unverified
  • cnnvd.org.cn http://www.cnnvd.org.cn/web/xxk/ldxqById.tag?CNNVD=CNNVD-201807-036 referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2018/Jul/75 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

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

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.