CVE-2026-113667: ApostropheCMS: CAPTCHA response token not URL-encoded
Summary Form and login CAPTCHA verification interpolate the user-supplied widget token unencoded into the server-side verification URL/body, allowing a crafted token to inject query parameters into the reCAPTCHA/hCaptcha verify request.
References
- github.com/advisories/GHSA-44qr-rrjg-2cqq
- github.com/apostrophecms/apostrophe/commit/9500b8b0e1d630d5e07fbb5fd2c25ed0943845ce
- github.com/apostrophecms/apostrophe/commit/f84fd41cbf6c22eb8d0008fc9c25df1f7130b350
- github.com/apostrophecms/apostrophe/releases/tag/@apostrophecms/form@1.5.5
- github.com/apostrophecms/apostrophe/security/advisories/GHSA-44qr-rrjg-2cqq
- nvd.nist.gov/vuln/detail/CVE-2026-113667
Code Behaviors & Features
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