WWBN AVideo 6.5 through 29.7.1 Authentication Bypass via Hybridauth Social Login
Only sites where the admin enabled a bundled Twitter, Facebook, Yahoo or LinkedIn login plugin with app credentials are exposed, in releases from 6.5 through 29.7.1.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
- Exploited
- No known exploitation
- Fix
- Fix or patch referenced
- Who is exposed
- Not reported
Do first: Apply the patch listed under Evidence.
- Published
- Last modified
- Whether it needs action now or is a reference record, by fixed rules, with why. Last checked is when cve.now last re-read it.What do these mean? →
- Reference
- Last checked
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 26/100 · provisional
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Unclear
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
WWBN AVideo, a video-hosting platform, has an authentication bypass in its Hybridauth social login that can be reached remotely, without logging in. An attacker can log in as any user, including administrators, without a password by setting a social-login display name to a victim's username and withholding an email address.
Read the original description
WWBN AVideo 6.5 through 29.7.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as any user via Hybridauth social login display names. Attackers can set their X, Facebook, Yahoo or LinkedIn display name to a victim's username and withhold email, causing login.json.php or oauth2.php to log them in as that account, including administrators, without a password.
Who should check
Teams running WWBN AVideo 6.5 through 29.7.1 with X, Facebook, Yahoo or LinkedIn social login enabled
Read the source excerpt
“WWBN AVideo 6.5 through 29.7.1 contains an authentication bypass”
cve.now Index
- Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
- Exposure17/25No login or user action needed, reachable over the network without a login · Unknown: Advisories don't say whether default setups are affected
- Reach?/20Unknown. No tracked technology or package matched
- Severity9.3/10CVSS 9.3
- No patch0/5No signal
What would change the score
- Would score about 71 if added to CISA KEV
- Would score about 66 if CISA's SSVC rates exploitation active
- Would score about 31 if advisories confirm default setups are exposed
What to do
Apply the patch listed under Evidence.
Check your systems with an agent
Paste this into a coding or ops agent. It checks your systems read-only and reports a table per asset.
Check whether my systems are affected by CVE-2026-126542 (WWBN AVideo 6.5 through 29.7.1 Authentication Bypass via Hybridauth Social Login), using the cve.now data below. Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only. What cve.now has for CVE-2026-126542 (entry last updated 2026-11-11): Affected: - WWBN AVideo: from 6.5, through 29.7.1 Fixed versions: none listed yet. Conditions (all must be true for the bug to be hit): - The site admin has enabled one of the bundled LoginTwitter, LoginFacebook, LoginYahoo or LoginLinkedin plugins and entered the app ID and secret. (source: https://github.com/WWBN/AVideo/security/advisories/GHSA-9rvm-cfc4-q9g9) - The social login provider returns a profile with no email. (source: https://github.com/WWBN/AVideo/security/advisories/GHSA-9rvm-cfc4-q9g9) - Affected versions are every release from 6.5 up to v29.7.1 and master at the time of the advisory. (source: https://github.com/WWBN/AVideo/security/advisories/GHSA-9rvm-cfc4-q9g9) Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory. Attacker needs: network access, no login, no user action. CISA KEV: CVE-2026-126542 is not listed as of cve.now's last read. This KEV status is for CVE-2026-126542 only. If you also check another CVE, look up its own KEV status; never assume it from this one. How to check: - Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory. Verify against the linked advisories before concluding, and cite the date you read each one: - https://github.com/WWBN/AVideo/security/advisories/GHSA-9rvm-cfc4-q9g9 - https://github.com/WWBN/AVideo/commit/d34ccf23b37a127a68478d66ac00b450b5788bad - https://github.com/WWBN/AVideo/blob/v29.7.1/objects/login.json.php#L133-L145 - https://github.com/WWBN/AVideo/blob/v29.7.1/plugin/MobileManager/oauth2.php#L90-L102 - https://www.vulncheck.com/advisories/wwbn-avideo-6.5-through-29.7.1-authentication-bypass-via-hybridauth-social-login Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing. Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action. Entry: https://cve.now/CVE-2026-126542 For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example get_vulnerability with id CVE-2026-126542.
Timeline
- CVE published
- First seen by cve.now
- Posted on X by cve.now
Affected versions
- WWBN AVideo
From 6.5 · through 29.7.1
Evidence 7
Vendor advisory · 1
Establishes: Affected and fixed versions.
- Advisory
CVE record · 2
Establishes: The identifier and description.
- Record
- Record
Other links · 4
- Patch
- Repository
- Repository
- Link
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-126542
Is CVE-2026-126542 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
What does this mean?
A flaw in AVideo's Hybridauth social login lets an unauthenticated attacker log in as any local user, including administrators, without a password. It applies when a social login provider returns a profile with no email address.Source: github.com, vulncheck.com
Which versions are affected by CVE-2026-126542?
AVideo: from 6.5 through 29.7.1.Source: cve.now feed data
Am I affected, and how do I check?
Every release from 6.5 up to v29.7.1, and master at the time of the advisory, is listed as affected. The setup must include one of the bundled LoginTwitter, LoginFacebook, LoginYahoo or LoginLinkedin plugins enabled with an app ID and secret entered. To check, review the enabled plugins and their app ID settings in the admin panel, and compare the installed version against the listed range.Source: github.com, vulncheck.com
How do I fix CVE-2026-126542?
The checked facts do not name a fixed release, so no upgrade target can be given here. Check the vendor's advisory for a fixed version, and disable the affected social login plugins until one is installed.Source: github.com, vulncheck.com