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Fencer Intel
critical 9.3

CVE-2020-15231 json

Cross-site scripting attack in mapfish-print

published 6y ago modified 4mo ago also GHSA-w534-q4xf-h5v2 , EUVD-2020-0574

cvss
9.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

In mapfish-print before version 3.24, a user can use the JSONP support to do a Cross-site scripting.

Patch / fix

  • maven org.mapfish.print:print-lib 3.24
  • maven org.mapfish.print:print-servlet 3.24
  • maven org.mapfish.print:print-standalone 3.24
  • mapfish print 3.24

Is CVE-2020-15231 in your dependencies? 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

0.80% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 9.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/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
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.1 9.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Affected packages

ecosystem package affected fixed in
maven org.mapfish.print:print-lib
<3.24
3.24
maven org.mapfish.print:print-servlet
<3.24
3.24
maven org.mapfish.print:print-standalone
<3.24
3.24

Affected products

  • mapfish mapfish-print

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.