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Vulnerabilities

Vulnerability · CVE-2026-28177

code-atlantic popup_maker Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Published Aug 6, 2026 · catalog updated Oct 26, 2026 · code-atlantic popup_maker Improper Neutralization

Last checked Oct 27, 2026. A connected source was read within the last 7 days.

Patch now

CVE-2026-28177 is in the CISA known-exploited catalog. Confirm code-atlantic popup_maker Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (code-atlantic popup_maker Improper Neutralization).
  • No version range is stored. A customer cannot check an installed version against this record.

Same product and reporting

Severity
High7.1
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.25%
Remediation
Remediation guidance
Affected products
vendor code-atlantic popup_maker

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Code Atlantic LLC Popup Maker popup-maker allows DOM-Based XSS.This issue affects Popup Maker: from n/a through 1.23.0.

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 code-atlantic popup_makerversion unspecified

How to fix CVE-2026-28177

  • Vendor action

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  • Version check

    No version range is stored, so an installed version cannot be checked on this page.

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

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

Should you patch?

CVE-2026-28177 is in the CISA known-exploited catalog. Confirm code-atlantic popup_maker Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.25%. The CISA KEV listing is the exploitation evidence. 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. Aug 6, 2026 · NIST NVD

    Detected

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Code Atlantic LLC Popup Maker popup-maker allows DOM-Based XSS.This issue affects Popup Maker: from n/a through 1.23.0.

  2. Oct 26, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  3. Oct 26, 2026 · NIST NVD

    Updated

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Code Atlantic LLC Popup Maker popup-maker allows DOM-Based XSS.This issue affects Popup Maker: from n/a through 1.23.0.

Sources

  • CVE.orgVulnerability recordCVE-2026-28177

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-28177

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Code Atlantic LLC Popup Maker popup-maker allows DOM-Based XSS.This issue affects Popup Maker: from n/a through 1.23.0.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2026-28177

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Code Atlantic LLC Popup Maker popup-maker allows DOM-Based XSS.This issue affects Popup Maker: from n/a through 1.23.0.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • VulnCheck KEVOct 27, 2026
  • CVE.orgOct 26, 2026
  • NIST NVDOct 26, 2026