Cross-site Scripting in kimai/kimai

published 2023-02-15 3 y ago modified 2026-06-17 4 mo ago also GHSA-r58m-v5pr-jhhq , EUVD-2023-0785

cvss: 9.6; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits: 0; none known

Cross Site Scripting (XSS) vulnerability in kevinpapst kimai2 1.30.0 in /src/Twig/Runtime/MarkdownExtension.php, allows attackers to gain escalated privileges.

Patch / fix

fixed in 1 links 3

packagist kimai/kimai 1.1

github.com/kevinpapst/kimai2#962 pull request
github.com/kimai/kimai#962 pull request
github.com/kimai/kimai/releases/tag/1.1 release

CISA SSVC

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

Exploit prediction

0.70% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
NVD	3.1	9.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CNA	3.1	9.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
GitHub	3.1	9.6	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
packagist	kimai/kimai	<1.1	1.1

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /kevinpapst/kimai2/pull/962/files
web, patch
github.com /kimai/kimai/pull/962
web
github.com /kevinpapst/kimai2
web, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2020-19825
advisory
github.com /kimai/kimai/releases/tag/1.1
web
github.com /kimai/kimai1
package

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