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Vulnerabilities

Vulnerability · CVE-2023-53882

JLex GuestBook 1.6.4 contains a reflected cross-site scripting vulnerability in the 'q' URL parameter that allows attackers to inject malicious scripts.

Published Dec 15, 2025 · catalog updated Apr 7, 2026 · JLex GuestBook

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-53882. EPSS is 0.36%. Act only if a listed version of JLex GuestBook is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.36%
Remediation
Vendor / distro source
Affected products
vendor jlexart JLex GuestBook 1.6.4

JLex GuestBook 1.6.4 contains a reflected cross-site scripting vulnerability in the 'q' URL parameter that allows attackers to inject malicious scripts. Attackers can craft malicious links with XSS payloads to steal session tokens or execute arbitrary JavaScript in victims' browsers.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor jlexart JLex GuestBook 1.6.41.6.4

How to fix CVE-2023-53882

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-53882. EPSS is 0.36%. Act only if a listed version of JLex GuestBook is installed.

Which versions are affected?

Compare what you have installed with jlexart JLex GuestBook 1.6.4 1.6.4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.36%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 15, 2025 · EUVD

    Detected

    JLex GuestBook 1.6.4 contains a reflected cross-site scripting vulnerability in the 'q' URL parameter that allows attackers to inject malicious scripts. Attackers can craft malicious links with XSS payloads to steal session tokens or execute arbitrary JavaScript in victims' browsers.

  2. Apr 7, 2026 · EUVD

    Updated

    JLex GuestBook 1.6.4 contains a reflected cross-site scripting vulnerability in the 'q' URL parameter that allows attackers to inject malicious scripts. Attackers can craft malicious links with XSS payloads to steal session tokens or execute arbitrary JavaScript in victims' browsers.

Sources

  • CVE.orgVulnerability recordCVE-2023-53882

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-53882

    30-day exploitation probability 0.36%

    first.org
  • EUVDVulnerability recordEUVD-2025-203432

    JLex GuestBook 1.6.4 contains a reflected cross-site scripting vulnerability in the 'q' URL parameter that allows attackers to inject malicious scripts. Attackers can craft malicious links with XSS payloads to steal session tokens or execute arbitrary JavaScript in victims' brows

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 29, 2026
  • CVE.orgOct 27, 2026
  • EUVDOct 26, 2026