# CVE-2026-43875: WWBN AVideo: Password Hash Leaked in MobileManager OAuth Redirect URL Enables Account Takeover > An attacker can capture password hashes from OAuth redirect URLs to take over user accounts, including administrators, in the AVideo platform. - **Severity:** Medium 6.8 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/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:** 11 May 2026 - **Updated:** 12 May 2026 - **Also known as:** GHSA-5w8w-26ch-v5cw ## What is CVE-2026-43875? CVE-2026-43875 is a medium-severity vulnerability in WWBN AVideo, published on 11 May 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 WWBN AVideo is an open source video platform. In versions up to and including 29.0, plugin/MobileManager/oauth2.php completes an OAuth login by sending an HTTP 302 Location: oauth2Success.php?user=&pass= where is the victim's stored password hash (md5(hash("whirlpool", sha1(password)))) read directly from the users table. AVideo's own login endpoint (objects/login.json.php) accepts an encodedPass=1 flag that bypasses hashing and performs a direct string comparison between the supplied value and the stored hash. Anyone who captures the redirect URL — via server logs, referrer leakage, or browser history — therefore obtains a credential equivalent to the plaintext password and can fully take over the account, including admin accounts. Commit 977cd6930a97571a26da4239e25c8096dd4ecbc1 contains an updated fix. Weakness: CWE-598 (Use of HTTP Request With Sensitive Query String) ## Which versions are affected by CVE-2026-43875? 2 open source packages ship an affected version, including wwbn/avideo. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `wwbn/avideo` | Packagist | All versions to 29.0 | None | | `wwbn/avideo` | Packagist | All versions to 29.0 | None | ## How do I fix CVE-2026-43875? No fix has been published for CVE-2026-43875 yet. Limit exposure of the affected software until one is available. ## Is CVE-2026-43875 being exploited? It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-43875 exists. ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2026-43875 and fix it if it is affected. What it is: CVE-2026-43875 is a medium-severity vulnerability in WWBN AVideo, published on 11 May 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-2026-43875 exists. Affected packages and fixed versions: - wwbn/avideo (Packagist): affected all versions up to 29.0; no fix listed - wwbn/avideo (Packagist): affected all versions up to 29.0; no fix listed 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-2026-43875/ (Markdown: https://insights.sbomify.com/CVE-2026-43875/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2026-43875 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-43875 - OSV: https://osv.dev/vulnerability/CVE-2026-43875 --- From sbomify Insights: https://insights.sbomify.com/CVE-2026-43875/ Summaries are generated and may contain mistakes; the official description above is the record.