🛡️ CVE-2019-10643 — contao
Description
Contao Does Not Expire Tokens Correctly
Security researcher Ali Razzaq has discovered that confirming an opt-in token does not invalidate previous opt-in tokens in Contao 4.7.
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.
Weakness class
CVE-2019-10643 is classified as CWE-287: Improper Authentication. The identity of the caller is not established correctly, so an attacker can act as another user.
Affected software
CVE-2019-10643 is recorded against 2 packages.
- contao/contao (from 4.7.0 up to 4.7.3)
- contao/core-bundle (from 4.7.0 up to 4.7.3)
Timeline and source
Published on 13 May 2022 and last revised on 25 April 2024. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
nvd.nist.gov (Advisory)
github.com (Web)
contao.org (Web)
contao.org (Web)
github.com (Web)
github.com (Web)
Details
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| contao/contao | 4.7.0 | 4.7.3 |
| contao/core-bundle | 4.7.0 | 4.7.3 |
Similar Threats
- Low CVE-2026-55824
- Low CVE-2026-55825
- Medium CVE-2025-57756
- Medium CVE-2025-57757
- Medium CVE-2025-57758
Exploit Protection
Are you running contao?
CVE-2019-10643 carries CVSS 9.5 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.
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