Contao affected by insert tag injection via canonical URL

CVE-2024-45612 → View on GitHub ↗ View on CVE.org ↗ View on NVD ↗

Description

Impact

It is possible to inject insert tags in canonical URLs which will be replaced when the page is rendered.

Patches

Update to Contao 4.13.49, 5.3.15 or 5.4.3.

Workarounds

Disable canonical tags in the settings of the website root page.

References

https://contao.org/en/security-advisories/insert-tag-injection-via-canonical-urls

For more information

If you have any questions or comments about this advisory, open an issue in contao/contao.

Basic information

Type
reviewed
Severity
medium
Advisory on GitHub
Open advisory ↗
Repository advisory
Open repository advisory ↗
Source code
Browse source ↗
Published (advisory)
2024-09-17 14:59:02 UTC
Updated
2024-09-23 21:33:39 UTC
GitHub reviewed
2024-09-17 14:59:02 UTC
NVD published
2024-09-17

EPSS Score

Score Percentile
0.55% 67.51%

CVSS Scores

Base score Version Severity Vector
5.3 3.1 —
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
6.9 4.0 —
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network.
Attack complexity (AC:L)
Exploitation conditions are straightforward and stable.
Attack requirements (AT:N)
No additional preconditions are required beyond normal reachability.
Privileges required (PR:N)
No privileges are required.
User interaction (UI:N)
No user interaction is required.
Vulnerable system confidentiality impact (VC:L)
Limited confidentiality impact on the vulnerable system.
Vulnerable system integrity impact (VI:N)
No integrity impact on the vulnerable system.
Vulnerable system availability impact (VA:N)
No availability impact on the vulnerable system.
Subsequent system confidentiality impact (SC:N)
No confidentiality impact on subsequent systems.
Subsequent system integrity impact (SI:N)
No integrity impact on subsequent systems.
Subsequent system availability impact (SA:N)
No availability impact on subsequent systems.

Identifiers

Type Value
GHSA GHSA-2xpq-xp6c-5mgj ↗
CVE CVE-2024-45612 ↗

CWEs

CWE id Name
CWE-20 Improper Input Validation
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Credits

  • aschempp (reporter)

Affected packages (3)

Vulnerable version ranges and first patched releases as published by GitHub.

Ecosystem Package Vulnerable range First patched Vulnerable functions
composer contao/core-bundle >= 4.13.0, < 4.13.49 4.13.49 —
composer contao/core-bundle >= 5.0.0, < 5.3.15 5.3.15 —
composer contao/core-bundle >= 5.4.0, < 5.4.3 5.4.3 —

References

cvelogic Threat Intelligence