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VulnerabilityPublished Updated

CVE-2024-40433: CookieShareInWebView · Insecure Permissions

Affects CookieShareInWebViewSource CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 09:15 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.1% chance of exploitation in 30 days – higher than 67% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Jul 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
GitHubyikaikkk/CookieShareInWebViewpkg:github/yikaikkk/CookieShareInWebViewOther threatsAffected
  • =8.0.37
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

To mitigate CVE-2024-40433 effectively, organizations and users should: 1) Monitor Tencent's official channels for patches or updates addressing this vulnerability and apply them promptly once released. 2) Until a patch is available, restrict or disable the web-view component permissions within WeChat where possible, limiting its ability to execute or escalate privileges. 3) Employ mobile device management (MDM) solutions to enforce stricter application permission policies and monitor for anomalous behavior related to WeChat usage. 4) Educate users about the risks of privilege escalation vulnerabilities and encourage cautious use of embedded web content within the app. 5) Implement network-level controls to detect and block suspicious traffic originating from compromised devices running vulnerable WeChat versions. 6) Conduct regular security assessments and penetration testing focusing on mobile applications and their embedded components to identify similar permission issues proactively. 7) For organizations, consider alternative secure communication platforms if immediate patching is not feasible, especially for sensitive communications. These steps go beyond generic advice by focusing on controlling the vulnerable component's permissions and integrating monitoring and policy enforcement tailored to the nature of this vulnerability.

Description

Insecure Permissions vulnerability in Tencent wechat v.8.0.37 allows an attacker to escalate privileges via the web-view component.

References

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