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Fencer Vulns
medium 6.1

CVE-2022-42749 json

CandidATS version 3.0.0 on 'page' of the 'ajax.php' resource, allows an external attacker to steal the cookie of arbitrary users.

published 2022-11-03 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-45812

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known, plus a Nuclei check

Summary

CandidATS version 3.0.0 on 'page' of the 'ajax.php' resource, allows an external attacker to steal the cookie of arbitrary users. This is possible because the application application does not properly validate user input against XSS attacks.

CISA SSVC

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

Exploit prediction

1.33% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template CandidATS 3.0.0 - Cross-Site Scripting nuclei detection template
  • fluidattacks.com https://fluidattacks.com/advisories/modestep/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • n/a CandidATS

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.