Moderate severity vulnerability that affects roundup

published 2019-04-06 7 y ago modified 2026-06-17 4 mo ago also GHSA-926q-wxr6-3crq , PYSEC-2019-201 , EUVD-2019-0124

cvss: 6.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.6%; EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits: 0; none known

Roundup 1.6 allows XSS via the URI because frontends/roundup.cgi and roundup/cgi/wsgi_handler.py mishandle 404 errors.

Patch / fix

fixed in 1 distros 1

pypi roundup 2.0.0, 2.0.0alpha0

roundup Ubuntu 16.04 LTS 1.4.20-1.1+deb8u2build0.16.04.1

ubuntu advisories UBUNTU-CVE-2019-10904

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-10904 updated 2025-11-21 cvss 7.6

roundup: XSS due to frontends/roundup.cgi and roundup/cgi/wsgi_handler.py mishandle 404 errors

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.58% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/python/bugs.python.org/issues/34 referenced PoC, tagged "exploit" by a source, unverified
bugs.python.org https://bugs.python.org/issue36391 referenced PoC, tagged "exploit" by a source, unverified
openwall.com http://www.openwall.com/lists/oss-security/2019/04/07/1 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.1	CVSS:3.0/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	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
pypi	roundup	<2.0.0alpha0 <2.0.0	2.0.0alpha0 2.0.0

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /python/bugs.python.org/issues/34
web, exploit, issue-tracking, third-party-advisory, report
bugs.python.org /issue36391
web, exploit, vendor-advisory
openwall.com /lists/oss-security/2019/04/07/1
mailing-list, web, exploit, third-party-advisory
openwall.com /lists/oss-security/2019/04/05/1
web, mailing-list, third-party-advisory
lists.debian.org /debian-lts-announce/2019/04/msg00009.html
mailing-list, web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2019-10904
advisory
github.com /pypa/advisory-database/tree/main/vulns/roundup/PYSEC-2019-201.yaml
web
github.com /roundup-tracker/roundup
package
pypi.org /project/roundup/2.0.0alpha0
web
github.com /advisories/GHSA-926q-wxr6-3crq
advisory

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.

Summary