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Fencer Intel
medium 5.4

CVE-2020-35720 json

Stored XSS in Quest Policy Authority 8.1.2.200 allows remote attackers to store malicious code in multiple fields (first name, last name, a…

published 5y ago modified 4mo ago also EUVD-2020-23377

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

Stored XSS in Quest Policy Authority 8.1.2.200 allows remote attackers to store malicious code in multiple fields (first name, last name, and logon name) when creating or modifying a user via the submitUser.jsp file. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

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Exploit prediction

1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • un4gi.io https://un4gi.io/blog/multiple-vulnerabilities-in-quest-policy-authority-for-unified-communications referenced PoC, tagged "exploit" by a source, unverified
  • clandestinelabs.io https://clandestinelabs.io/security-advisories/advisory-multiple-vulnerabilities-in-quest-policy-authority-for-unified-communications referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

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

References

Sources

Fencer Intel 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.