CVE-2023-4173
Published: 06 August 2023
Summary
CVE-2023-4173 is a low-severity Cross-site Scripting (CWE-79) vulnerability in Moosocial Moostore. Its CVSS base score is 3.5 (Low).
Operationally, ranked in the top 7.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
Deeper analysis
A vulnerability classified as problematic was discovered in mooSocial mooStore version 3.1.6. It affects an unspecified function in the /search/index file, where manipulation of the q parameter enables cross-site scripting. The issue is tracked as CWE-79 with a CVSS 3.1 base score of 3.5, reflecting network attack vector, low attack complexity, required privileges, and required user interaction.
An authenticated remote attacker can supply a crafted q value to the search endpoint and trigger script execution in a victim's browser session. Successful exploitation yields limited integrity impact, such as unauthorized modification of page content, without affecting confidentiality or availability.
The EPSS score started low after the August 2023 disclosure, rose materially to a peak of 0.1056 in December 2025, and has since receded to 0.0815, indicating increased exploitation interest well after public release. Public references consist of a Packet Storm proof-of-concept and Vuldb entries that document the flaw but do not detail vendor patches or mitigation steps.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-54052
Vulnerability details
A vulnerability, which was classified as problematic, was found in mooSocial mooStore 3.1.6. Affected is an unknown function of the file /search/index. The manipulation of the argument q leads to cross site scripting. It is possible to launch the attack…
more
remotely. The identifier of this vulnerability is VDB-236208.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.