paste: XSS on the image upload function

published 2023-02-07 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-27104

cvss: 4.3; version 3.1, CNA
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

An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in paste allows remote attackers to place Javascript into SVG files. This issue affects: openSUSE paste paste version b57b9f87e303a3db9465776e657378e96845493b and prior versions.

Patch / fix

fixed in 1 links 1

opensuse paste 2011-12-05

bugzilla.suse.com/show_bug.cgi?id=1197930 patch

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 19 mo ago (2025-03-25)

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

bugzilla.suse.com https://bugzilla.suse.com/show_bug.cgi?id=1197930 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/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

Affected products

openSUSE paste

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

bugzilla.suse.com /show_bug.cgi?id=1197930
exploit, issue-tracking, patch

Sources

CVE List CVE-2022-21948
NVD CVE-2022-21948

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