OpenWay WAY4 ACS before 1.2.278-2693 allows XSS via the /way4acs/enroll action parameter.

published 2021-10-11 5y ago modified 2026-06-17 4mo ago also EUVD-2021-21704

cvss: 6.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits: 0; none known

Patch / fix

fixed in 1

openwaygroup way4 1.2.278-2693

Is CVE-2021-35059 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

0.59% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-09).

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

openwaygroup.com /way4-platform
product, vendor-advisory
gist.github.com /exviry/560fededd1e44b7cced483d8ca8c362e
third-party-advisory

Sources

CVE List CVE-2021-35059
NVD CVE-2021-35059

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