# CVE-2016-8502: Security feature bypass in Yandex Browser for desktop

> Remote attackers can bypass anti-phishing warnings in Yandex Browser to brute-force passwords for important web resources using special JavaScript.

- **Severity:** High 7.3 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Oct 2016
- **Updated:** 6 Aug 2024
- **Also known as:** GHSA-6rw8-6h98-wvwp

## What is CVE-2016-8502?

CVE-2016-8502 is a high-severity vulnerability in Yandex Browser for desktop, published on 26 Oct 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Yandex Protect Anti-phishing warning in Yandex Browser for desktop from version 15.12.0 to 16.2 could be used by remote attacker for brute-forcing passwords from important web-resource with special JavaScript.

Weakness: CWE-254

## Which versions are affected by CVE-2016-8502?

It affects 1 product.


Products: Yandex Yandex Browser.

## How do I fix CVE-2016-8502?

No fix has been published for CVE-2016-8502 yet. Limit exposure of the affected software until one is available.

## Is CVE-2016-8502 being exploited?

There is no known exploitation of CVE-2016-8502 in the wild and no public exploit code.

## Other vulnerabilities in Yandex Browser for desktop

- [CVE-2024-6473](https://insights.sbomify.com/CVE-2024-6473/): DLL Hijacking in Yandex Browser (high 8.4)
- [CVE-2021-25255](https://insights.sbomify.com/CVE-2021-25255/): Yandex Browser Lite for Android prior to version 21.1.0 allows remote attackers to cause a denial of service. (high 8.3)
- [CVE-2021-25254](https://insights.sbomify.com/CVE-2021-25254/): Yandex Browser Lite for Android before 21.1.0 allows remote attackers to spoof the address bar. (high 8.2)
- [CVE-2021-25261](https://insights.sbomify.com/CVE-2021-25261/): Privilege escalation in Yandex Browser (Desktop) (high 7.8)
- [CVE-2022-28225](https://insights.sbomify.com/CVE-2022-28225/): Privilege escalation in Yandex Browser (Desktop) (high 7.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2016-8502 and fix it if it is affected.

What it is: CVE-2016-8502 is a high-severity vulnerability in Yandex Browser for desktop, published on 26 Oct 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2016-8502 in the wild and no public exploit code.

Affected product: Yandex Browser for desktop. 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-2016-8502/ (Markdown: https://insights.sbomify.com/CVE-2016-8502/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2016-8502
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2016-8502
- OSV: https://osv.dev/vulnerability/CVE-2016-8502

---
From sbomify Insights: https://insights.sbomify.com/CVE-2016-8502/
Summaries are generated and may contain mistakes; the official description above is the record.