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Fencer Vulns
medium 4.8

CVE-2017-17478 json

An XSS issue was discovered in Designer Studio in Pegasystems Pega Platform 7.1.7, 7.1.8, 7.1.9, 7.1.10, 7.2, 7.2.1, and 7.2.2.

published 2018-02-27 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-8640

cvss
4.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

An XSS issue was discovered in Designer Studio in Pegasystems Pega Platform 7.1.7, 7.1.8, 7.1.9, 7.1.10, 7.2, 7.2.1, and 7.2.2. A user with developer credentials can insert malicious code (up to 64 characters) into a text field in Designer Studio, after establishing context. Designer Studio is the developer workbench for Pega Platform. That XSS payload will execute when other developers visit the affected pages.

Exploit prediction

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 4.8 CVSS:3.0/AV:N/AC:L/PR:H/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 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.