[HIGH] Kirby: `pages.access` permission is not checked in the `site/find` REST API route

PKSA-jpkc-34xj-4vfy CVE-2026-54005 GHSA-r3w8-2c5r-h9j9

Affected version: >=5.0.0-alpha.1,<=5.4.3|<=4.9.3

Reported by:
GitHub

[MEDIUM] Kirby: Access to files of top-level drafts is not protected by permissions

PKSA-6sq2-11dh-hkdq CVE-2026-54004 GHSA-89cp-7p28-jffg

Affected version: >=5.0.0-alpha.1,<=5.4.3|<=4.9.3

Reported by:
GitHub

[CRITICAL] Kirby: External Initialization of the Panel on reverse proxy setups with the `Forwarded` header

PKSA-h8zr-vfb5-1d5r CVE-2026-54003 GHSA-whxw-24jc-cwmv

Affected version: >=5.0.0-alpha.1,<=5.4.3|<=4.9.3

Reported by:
GitHub

[HIGH] Kirby: Cross-site scripting (XSS) from incomplete HTML/XML sanitization in `Dom::sanitize()`

PKSA-wps5-gfv8-mm6f CVE-2026-54002 GHSA-wr9h-4r83-f4v6

Affected version: >=5.0.0-alpha.1,<=5.4.3|<=4.9.3

Reported by:
GitHub

[MEDIUM] Kirby: Request header injection in `Http\Remote`

PKSA-k11s-611y-v46q CVE-2026-50188 GHSA-4v4h-m2qq-ppgw

Affected version: >=5.0.0-alpha.1,<=5.4.3|<=4.9.3

Reported by:
GitHub

[HIGH] Kirby: Self cross-site scripting (self-XSS) in the writer field

PKSA-hnr2-vddk-p4gy CVE-2026-49276 GHSA-rhj6-r49h-5932

Affected version: >=5.0.0-alpha.1,<=5.4.3|<=4.9.3

Reported by:
GitHub

[MEDIUM] Kirby: `pages.access` permission is not checked in the pages picker for parent pages

PKSA-4ys7-5twb-r3bn CVE-2026-49274 GHSA-23q2-54qv-rq5x

Affected version: >=5.0.0-alpha.1,<=5.4.3|<=4.9.3

Reported by:
GitHub

[HIGH] Kirby CMS vulnerable to cross-site scripting (XSS) from links in KirbyTags and image blocks in the site frontend

PKSA-d956-rcc1-9n2f CVE-2026-45368 GHSA-qvjf-922g-pj44

Affected version: >=5.0.0,<=5.4.0|<=4.9.0

Reported by:
GitHub

[MEDIUM] Kirby CMS's content locks disclose IDs and emails of inaccessible users from `users.access/list` permissions

PKSA-q7k8-c5gf-pkgc CVE-2026-45334 GHSA-39vq-49qm-r2mc

Affected version: >=5.0.0,<=5.4.0|<=4.9.0

Reported by:
GitHub

[HIGH] Kirby CMS has pre-authentication path traversal and PHP file inclusion during user lookup

PKSA-82wy-dsmt-xgpc CVE-2026-44177 GHSA-9hx7-c53c-v6x8

Affected version: >=5.3.0,<=5.4.0

Reported by:
GitHub

[MEDIUM] Kirby CMS's `pages.access` permission is not checked during rendering of page drafts

PKSA-ycvm-k4m4-tr9m CVE-2026-44176 GHSA-2xw4-v2wx-hqq9

Affected version: >=5.0.0,<=5.4.0|<=4.9.0

Reported by:
GitHub

[HIGH] Kirby CMS vulnerable to cross-site scripting (XSS) from list field content in the site frontend

PKSA-g7d2-4qf5-mg45 CVE-2026-44175 GHSA-5fhx-9q32-q257

Affected version: >=5.0.0,<=5.4.0|<=4.9.0

Reported by:
GitHub

[HIGH] Kirby CMS has an Arbitrary Method Call via REST API Search and Collection Query Endpoints

PKSA-hhnz-p4k9-sfyd CVE-2026-44174 GHSA-86rh-h242-j8xp

Affected version: >=5.0.0,<=5.4.0|<=4.9.0

Reported by:
GitHub

[MEDIUM] Kirby CMS's system API endpoint leaks installed version and license data to authenticated users

PKSA-d1w9-s6x2-nh6p CVE-2026-42051 GHSA-x68m-c7jf-2572

Affected version: >=5.0.0,<=5.3.3|<=4.8.0

Reported by:
GitHub

[MEDIUM] Kirby CMS doesn't gate user avatar creation, replacement and deletion with user update permissions

PKSA-p78d-845h-8y84 CVE-2026-42174 GHSA-39cp-6679-8xv2

Affected version: >=5.0.0,<=5.3.3|<=4.8.0

Reported by:
GitHub

[HIGH] Kirby CMS's read access to site, user and role information is not gated by permissions

PKSA-wrgq-xy3s-q6nz CVE-2026-42069 GHSA-2h7v-4372-f6x2

Affected version: >=5.0.0,<=5.3.3|<=4.8.0

Reported by:
GitHub

[HIGH] Kirby CMS's `pages.access/list` and `files.access/list` permissions are not consistently checked in the Panel and REST API

PKSA-bpcj-ysn7-my14 CVE-2026-42137 GHSA-85x2-r8xv-ww8c

Affected version: >=5.0.0,<=5.3.3|<=4.8.0

Reported by:
GitHub

[HIGH] Kirby is vulnerable to authorization bypass during page, file and user creation via blueprint injection

PKSA-m1sp-3j4c-yg88 CVE-2026-41325 GHSA-6gqr-mx34-wh8r

Affected version: >=5.0.0,<5.4.0|<4.9.0

Reported by:
GitHub

[MEDIUM] Kirby's page creation API bypasses the changeStatus permission check via unfiltered isDraft parameter

PKSA-pyk9-2q1t-drry CVE-2026-40099 GHSA-w942-j9r6-hr6r

Affected version: >=5.0.0,<5.4.0|<4.9.0

Reported by:
GitHub

[HIGH] Kirby has Server-Side Template Injection (SSTI) via double template resolution in option rendering

PKSA-w67s-1md9-r7dk CVE-2026-34587 GHSA-jcjw-58rv-c452

Affected version: >=5.0.0,<5.4.0|<4.9.0

Reported by:
GitHub

[MEDIUM] Kirby has XML injection in its XML creator toolkit

PKSA-rr97-2byk-h46m CVE-2026-32870 GHSA-9wfj-c55w-j9qr

Affected version: >=5.0.0,<5.4.0|<4.9.0

Reported by:
GitHub

[MEDIUM] Kirby is missing permission checks in the content changes API

PKSA-yfpp-rndk-cm9x CVE-2026-21896 GHSA-4j78-4xrm-cr2f

Affected version: >=5.0.0,<=5.2.1

Reported by:
GitHub

[MEDIUM] Kirby CMS has cross-site scripting (XSS) in the changes dialog

PKSA-jms5-zv67-g12r CVE-2025-65012 GHSA-84hf-8gh5-575j

Affected version: >=5.0.0,<5.1.4

Reported by:
GitHub

[LOW] Kirby vulnerable to path traversal in the router for PHP's built-in server

PKSA-psph-xw59-snn6 CVE-2025-30207 GHSA-9p3p-w5jf-8xxg

Affected version: >=4.0.0,<4.7.1|>=3.10.0,<3.10.1.2|<3.9.8.3

Reported by:
GitHub

[MEDIUM] Kirby vulnerable to path traversal of collection names during file system lookup

PKSA-2y53-wq8k-h8qy CVE-2025-31493 GHSA-x275-h9j4-7p4h

Affected version: >=4.0.0,<4.7.1|>=3.10.0,<3.10.1.2|<3.9.8.3

Reported by:
GitHub

[HIGH] Kirby has insufficient permission checks in the language settings

PKSA-qp36-pv2c-kj8n CVE-2024-41964 GHSA-jm9m-rqr3-wfmh

Affected version: >=4.0.0,<=4.3.0|>=3.10.0,<=3.10.1|>=3.9.0,<=3.9.8.1|>=3.8.0,<=3.8.4.3|>=3.7.0,<=3.7.5.4|<=3.6.6.5

Reported by:
GitHub

[MEDIUM] Kirby vulnerable to Cross-site scripting (XSS) in the link field "Custom" type

PKSA-y4dk-fxrr-rv4m CVE-2024-27087 GHSA-63h4-w25c-3qv4

Affected version: >=4.0.0,<4.1.1

Reported by:
GitHub

[MEDIUM] Kirby vulnerable to self cross-site scripting (self-XSS) in the URL field

PKSA-sz76-zpcd-hvzc CVE-2024-26481 GHSA-57f2-8p89-66x6

Affected version: >=4.0.0,<=4.1.0|=3.10.0|>=3.9.0,<=3.9.8|>=3.8.0,<=3.8.4.2|>=3.7.0,<=3.7.5.3|<=3.6.6.4

Reported by:
GitHub

[MEDIUM] Kirby vulnerable to unrestricted file upload of user avatar images

PKSA-yxtp-sp4n-y3tf CVE-2024-26483 GHSA-xrvh-rvc4-5m43

Affected version: >=4.0.0,<=4.1.0|=3.10.0|>=3.9.0,<=3.9.8|>=3.8.0,<=3.8.4.2|>=3.7.0,<=3.7.5.3|<=3.6.6.4

Reported by:
GitHub

[HIGH] Field injection in the KirbyData text storage handler

PKSA-zqxs-5pcg-2nkm CVE-2023-38488 GHSA-x5mr-p6v4-wp93

Affected version: >=3.9.0,<3.9.6|>=3.8.0,<3.8.4.1|>=3.7.0,<3.7.5.2|>=3.6.0,<3.6.6.3|<3.5.8.3

Reported by:
GitHub

[HIGH] Insufficient Session Expiration after a password change

PKSA-8t3n-wjby-x47v CVE-2023-38489 GHSA-5mvj-rvp8-rf45

Affected version: >=3.9.0,<3.9.6|>=3.8.0,<3.8.4.1|>=3.7.0,<3.7.5.2|>=3.6.0,<3.6.6.3|<3.5.8.3

Reported by:
GitHub

[MEDIUM] XML External Entity (XXE) vulnerability in the XML data handler

PKSA-t9s4-yst7-6h1r CVE-2023-38490 GHSA-q386-w6fg-gmgp

Affected version: >=3.9.0,<3.9.6|>=3.8.0,<3.8.4.1|>=3.7.0,<3.7.5.2|>=3.6.0,<3.6.6.3|<3.5.8.3

Reported by:
GitHub

[MEDIUM] Cross-site scripting (XSS) from MIME type auto-detection of uploaded files

PKSA-dkbm-bh96-zk72 CVE-2023-38491 GHSA-8fv7-wq38-f5c9

Affected version: >=3.9.0,<3.9.6|>=3.8.0,<3.8.4.1|>=3.7.0,<3.7.5.2|>=3.6.0,<3.6.6.3|<3.5.8.3

Reported by:
GitHub

[MEDIUM] Denial of service from unlimited password lengths

PKSA-3nsf-jngg-dvvg CVE-2023-38492 GHSA-3v6j-v3qc-cxff

Affected version: >=3.9.0,<3.9.6|>=3.8.0,<3.8.4.1|>=3.7.0,<3.7.5.2|>=3.6.0,<3.6.6.3|<3.5.8.3

Reported by:
GitHub

[MEDIUM] Kirby CMS vulnerable to user enumeration in the brute force protection

PKSA-5k7b-5skk-nstj CVE-2022-39315 GHSA-c27j-76xg-6x4f

Affected version: =3.8.0|>=3.7.0,<3.7.5.1|>=3.6.0,<3.6.6.2|<3.5.8.2

Reported by:
GitHub

[MEDIUM] Kirby CMS vulnerable to user enumeration in the code-based login and password reset forms

PKSA-7256-97xt-6n1p CVE-2022-39314 GHSA-43qq-qw4x-28f8

Affected version: =3.8.0|>=3.7.0,<3.7.5.1|>=3.6.0,<3.6.6.2|>=3.5.0,<3.5.8.2

Reported by:
GitHub

[HIGH] Cross-site scripting from content entered in the tags and multiselect fields

PKSA-qg92-8hvw-mrcv GHSA-rv3r-vqjj-8c76

Affected version: >=3.7.0,<3.7.4|>=3.6.0,<3.6.6.1|>=3.5.7,<3.5.8.1

Reported by:
GitHub

[MEDIUM] Cross-site scripting from dynamic options in the multiselect field

PKSA-1bcx-mr8v-2v3m CVE-2022-36037 GHSA-3f89-869f-5w76

Affected version: <3.5.8.1

Reported by:
GitHub

[MEDIUM] Kirby CMS 2.5.12 Cross-site Scripting

PKSA-gxdz-hk5r-fdhy CVE-2018-14520 GHSA-h3w2-qg2r-c7mf

Affected version: <=2.5.12

Reported by:
GitHub

[MEDIUM] Kirby CMS 2.5.12 Cross-site Request Forgery

PKSA-gp7t-8z7g-pqtz CVE-2018-14519 GHSA-c7x2-7h8r-jq4m

Affected version: <=2.5.12

Reported by:
GitHub

[MEDIUM] Kirby XSS Vulnerability

PKSA-fng1-vgzw-nc1w CVE-2017-16807 GHSA-275c-v3rc-xghx

Affected version: >=2.5,<2.5.7|>=2.4,<2.4.2|<2.3.3

Reported by:
GitHub

[MEDIUM] Cross-site scripting (XSS) from image block content in the site frontend

PKSA-gyst-m8h9-qt4q CVE-2021-41258 GHSA-cq58-r77c-5jjw

Affected version: >=3.5.0,<3.5.8

Reported by:
GitHub

[MEDIUM] Cross-site scripting (XSS) from writer field content in the site frontend

PKSA-5dng-xhsm-wggj CVE-2021-41252 GHSA-x7j7-qp7j-hw3q

Affected version: >=3.5.0,<3.5.8

Reported by:
GitHub

[HIGH] Cross-site scripting (XSS) from field and configuration text displayed in the Panel

PKSA-nqch-gpsw-gsgb CVE-2021-32735 GHSA-2f2w-349x-vrqm

Affected version: <=3.5.6

Reported by:
GitHub

[HIGH] Cross-site scripting (XSS) from unsanitized uploaded SVG files in Kirby

PKSA-nwq2-w6t5-fvfs CVE-2021-29460 GHSA-qgp4-5qx6-548g

Affected version: <3.5.4

Reported by:
GitHub

[MEDIUM] Kirby .dev domains and some reverse proxy setups were treated as local

PKSA-ds8j-v9vb-tdbw CVE-2020-26253 GHSA-2ccx-2gf3-8xvv

Affected version: >=3.0.0,<3.3.6

Reported by:
GitHub

[MEDIUM] Kirby Panel users could upload PHP Phar archives as content files before v2.5.14 and v3.4.5

PKSA-7jnm-d2v8-r697 CVE-2020-26255 GHSA-g3h8-cg9x-47qw

Affected version: >=3.0.0,<3.4.5

Reported by:
GitHub