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VulnerabilityPublished Updated

CVE-2023-50609: AVA teaching video application service platform · Cross Site Scripting (XSS)

Source CVE Database V5

0

Not known to be exploited · CVSS 6.1 Medium.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 39% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 Jan 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
n/a n/aAffected
  • =3.1
Fixed in–

AI-suggested

To mitigate CVE-2023-50609, European organizations should first verify if they are running AVA teaching video application platform version 3.1. In the absence of an official patch, organizations should implement the following specific measures: 1) Conduct a thorough input validation and output encoding review on all user-supplied data processed by ajax.aspx, ensuring that scripts and HTML tags are properly sanitized or escaped. 2) Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts and reduce the impact of any injected code. 3) Use web application firewalls (WAFs) with rules tailored to detect and block typical XSS attack patterns targeting ajax.aspx endpoints. 4) Educate users about the risks of clicking on suspicious links or interacting with untrusted content within the platform. 5) Monitor application logs and network traffic for unusual requests or patterns indicative of attempted exploitation. 6) Engage with the platform vendor or community to obtain updates or patches as soon as they become available. 7) If feasible, isolate the AVA platform within a segmented network zone to limit lateral movement in case of compromise. These targeted actions go beyond generic advice by focusing on the specific vulnerable component and the operational context of the affected platform.

Description

Cross Site Scripting (XSS) vulnerability in AVA teaching video application service platform version 3.1, allows remote attackers to execute arbitrary code via a crafted script to ajax.aspx.

References

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