Kirby CMS 2.5.12 Cross-site Scripting

published 2022-08-24 4 y ago modified 2026-06-17 4 mo ago also GHSA-h3w2-qg2r-c7mf , EUVD-2022-6562

cvss: 5.4; 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

An issue was discovered in Kirby 2.5.12. The application allows malicious HTTP requests to be sent in order to trick a user into adding web pages.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 16 mo ago (2025-06-17)

Exploit prediction

0.71% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

zaranshaikh.blogspot.com http://zaranshaikh.blogspot.com/2018/07/cross-site-request-forgery-kirby-cms.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
GitHub	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	getkirby/cms	<=2.5.12	no fix listed

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

zaranshaikh.blogspot.com /2018/07/cross-site-request-forgery-kirby-cms.html
web, exploit, third-party-advisory
exploit-db.com /exploits/45068
web, third-party-advisory, vdb-entry
nvd.nist.gov /vuln/detail/CVE-2018-14520
advisory
github.com /getkirby/kirby
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