aio-libs aiohttp up to 3.9.3 Index Pages cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in aio-libs aiohttp up to 3.9.3. Impacted is an unknown function of the component Index Pages. Executing a manipulation can lead to cross site scripting. This vulnerability appears as CVE-2024-27306. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in aio-libs aiohttp up to 3.9.3 and classified as problematic. This vulnerability affects some unknown functionality of the component Index Pages. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. A XSS vulnerability exists on index pages for static file handling. This vulnerability is fixed in 3.9.4. We have always recommended using a reverse proxy server (e.g. nginx) for serving static files. Users following the recommendation are unaffected. Other users can disable `show_index` if unable to upgrade.

The advisory is shared for download at github.com. This vulnerability was named CVE-2024-27306 since 02/22/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability scanner Nessus provides a plugin with the ID 211353 (Fedora 41 : python-aiohttp (2024-c4a71dab58)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.9.4 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (211353). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.1
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211353
Nessus Name: Fedora 41 : python-aiohttp (2024-c4a71dab58)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: aiohttp 3.9.4
Patch: github.com

Timelineinfo

02/22/2024 🔍
04/18/2024 +55 days 🔍
04/18/2024 +0 days 🔍
08/21/2025 +490 days 🔍

Sourcesinfo

Product: github.com

Advisory: 28335525d1eac015a7e7584137678cbb6ff19397
Status: Confirmed

CVE: CVE-2024-27306 (🔍)
GCVE (CVE): GCVE-0-2024-27306
GCVE (VulDB): GCVE-100-261508

Entryinfo

Created: 04/18/2024 17:02
Updated: 08/21/2025 03:48
Changes: 04/18/2024 17:02 (63), 05/24/2024 16:57 (2), 05/24/2024 17:04 (3), 11/15/2024 10:56 (3), 04/05/2025 02:43 (3), 08/21/2025 03:48 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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