# CVE-2026-1277: URL Shortify <= 1.12.1 - Unauthenticated Open Redirect via 'redirect_to' Parameter

> Unauthenticated attackers can redirect users to malicious sites via a crafted link in the URL Shortify WordPress plugin.

- **Severity:** Medium 4.7 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 18 Feb 2026
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-fx3v-rgv7-qq3x

## What is CVE-2026-1277?

CVE-2026-1277 is a medium-severity vulnerability in kaizencoders URL Shortify – Simple and Easy URL Shortener, published on 18 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The URL Shortify plugin for WordPress is vulnerable to Open Redirect in all versions up to, and including, 1.12.1 due to insufficient validation on the 'redirect_to' parameter in the promotional dismissal handler. This makes it possible for unauthenticated attackers to redirect users to potentially malicious sites via a crafted link.

Weakness: CWE-601 (URL Redirection to Untrusted Site)

## Which versions are affected by CVE-2026-1277?


## How do I fix CVE-2026-1277?

No fix has been published for CVE-2026-1277 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-1277 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1277 exists.

Public exploit code:

- The URL Shortify plugin for WordPress is vulnerable to Open Redirect in all versions up to, and including, 1.12.1 due to insufficient validation on the 'redirect_to' parameter in the promotional dismissal handler. This makes it possible for unauthenticated attackers to redirect users to potentially malicious sites via a crafted link. (github_poc): https://github.com/Sadaqaty/CVE-2026-1277
- URL Shortify <= 1.12.1 - Open Redirect (nuclei): http/cves/2026/CVE-2026-1277.yaml

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-1277 and fix it if it is affected.

What it is: CVE-2026-1277 is a medium-severity vulnerability in kaizencoders URL Shortify – Simple and Easy URL Shortener, published on 18 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1277 exists.

Affected product: kaizencoders URL Shortify – Simple and Easy URL Shortener. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-1277/ (Markdown: https://insights.sbomify.com/CVE-2026-1277/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-1277
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-1277
- OSV: https://osv.dev/vulnerability/CVE-2026-1277

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-1277/
Summaries are generated and may contain mistakes; the official description above is the record.