CVE-2022-24899
Cross site scripting via canonical tag
Public exploit available. Not confirmed exploited in the wild yet. Fixed in 4.13.3.
What to do
Find your product and version, then upgrade to the build on the right.
- ContaoAffected: < 4.13.3Upgrade to: not statedStated by: CVE record
- Packagist contao/core-bundleAffected: ≥ 4.13.0, < 4.13.3Upgrade to: 4.13.3Stated by: GitHub advisory
- Packagist contao/contaoAffected: ≥ 4.13.0, < 4.13.3Upgrade to: 4.13.3Stated by: GitHub advisory
Versions as the sources state them. Full version matrix after sign-in
What it is
From the CVE record
Contao is a powerful open source CMS that allows you to create professional websites and scalable web applications. In versions of Contao prior to 4.13.3 it is possible to inject code into the canonical tag. As a workaround users may disable canonical tags in the root page settings.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
2 sources with a proof of concept or module.
Exploit links, PoCs and Metasploit modules after sign-in- EPSS
4.5% chance of exploitation activity in the next 30 days, which ranks it in the 91st percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
The patch came 471 days before any public exploit.
- EPSS band changemoderate → low
- EPSS band changehigh → moderate
- Public exploit / PoCsource: github-pocnuclei check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Scored 7.2 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality LowSome restricted information is disclosed, but limited in scope
- Integrity LowData modification is possible but limited in scope or consequence
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
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