CVE-2026-110626: ClipBucket v5 through 5.5.3-#206 Reflected XSS via edit_language in language_settings.php

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-14 · updated 2026-10-20
Weakness: CWE-79

Description

ClipBucket v5 through 5.5.3-#206 contains a reflected cross-site scripting vulnerability in admin_area/language_settings.php via the unencoded edit_language GET parameter. Attackers can send administrators with basic_settings permission a crafted link whose payload is echoed into a hidden input, executing script in the admin panel origin.

Affected products

MacWarrior clipbucket-v5: through 5.5.3-#206

References

https://github.com/MacWarrior/clipbucket-v5
https://github.com/MacWarrior/clipbucket-v5/blob/01990c0fa7baf925d2a4cf6ec1b75b1341b7a486/upload/admin_area/language_settings.php#L32-L37
https://github.com/MacWarrior/clipbucket-v5/blob/01990c0fa7baf925d2a4cf6ec1b75b1341b7a486/upload/admin_area/styles/cb_2014/layout/blocks/language_edit.html#L40
https://github.com/MacWarrior/clipbucket-v5/commit/0c1b5878a6135950d8a516975c4585e3b7c8790d
https://hackmd.io/@leediay/BJR_lh2ifg
https://www.vulncheck.com/advisories/clipbucket-v5-through-5.5.3-206-reflected-xss-via-edit-language-in-language-settings-php
https://hackmd.io/@leediay/BJR_lh2ifg

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