Popup Builder < 4.2.3 - Unauthenticated Stored XSS
Published Jan 1, 2024
6.1
MEDIUMCVSS 3.1
EPSS 2.00%
Description
The Popup Builder WordPress plugin before 4.2.3 does not prevent simple visitors from updating existing popups, and injecting raw JavaScript in them, which could lead to Stored XSS attacks.
Affected products
- Vendor n/a Product Popup Builder Defaultunaffected
- Version 0StatusaffectedConstraints<4.2.3
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Popup Builder | unaffected |
|
- < 4.2.3
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Jan 16, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2024–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (33 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.00% (0.01999) | 79.99th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.00% (0.01999) | 78.09th | v5 (v2026.06.15) |
| Apr 15, 2026 | 69.12% (0.69124) | 98.64th | v4 (v2025.03.14) |
| Feb 16, 2026 | 63.96% (0.63964) | 98.38th | v4 (v2025.03.14) |
| Feb 12, 2026 | 68.97% (0.68967) | 98.59th | v4 (v2025.03.14) |
| Feb 1, 2026 | 60.58% (0.60576) | 98.24th | v4 (v2025.03.14) |
| Jan 4, 2026 | 63.33% (0.63330) | 98.33th | v4 (v2025.03.14) |
| Dec 21, 2025 | 64.88% (0.64882) | 98.39th | v4 (v2025.03.14) |
| Dec 11, 2025 | 60.58% (0.60576) | 98.20th | v4 (v2025.03.14) |
| Nov 21, 2025 | 64.23% (0.64227) | 98.34th | v4 (v2025.03.14) |
| Nov 18, 2025 | 27.94% (0.27941) | 96.18th | v4 (v2025.03.14) |
| Oct 27, 2025 | 64.23% (0.64227) | 98.36th | v4 (v2025.03.14) |
| Oct 25, 2025 | 62.21% (0.62211) | 98.26th | v4 (v2025.03.14) |
| Oct 7, 2025 | 63.83% (0.63827) | 98.35th | v4 (v2025.03.14) |
| Sep 24, 2025 | 57.60% (0.57598) | 98.11th | v4 (v2025.03.14) |
| Sep 17, 2025 | 59.34% (0.59338) | 98.18th | v4 (v2025.03.14) |
| Sep 16, 2025 | 20.51% (0.20511) | 95.36th | v4 (v2025.03.14) |
| Aug 3, 2025 | 10.41% (0.10410) | 92.95th | v4 (v2025.03.14) |
| May 22, 2025 | 8.88% (0.08882) | 92.09th | v4 (v2025.03.14) |
| Apr 15, 2025 | 6.46% (0.06458) | 90.49th | v4 (v2025.03.14) |
| Mar 30, 2025 | 15.07% (0.15075) | 94.01th | v4 (v2025.03.14) |
| Mar 29, 2025 | 16.33% (0.16332) | 91.47th | v4 (v2025.03.14) |
| Mar 28, 2025 | 15.07% (0.15075) | 94.01th | v4 (v2025.03.14) |
| Mar 27, 2025 | 32.83% (0.32834) | 96.27th | v4 (v2025.03.14) |
| Mar 24, 2025 | 23.13% (0.23125) | 95.43th | v4 (v2025.03.14) |
| Mar 23, 2025 | 32.83% (0.32834) | 96.36th | v4 (v2025.03.14) |
| Mar 20, 2025 | 23.13% (0.23125) | 95.48th | v4 (v2025.03.14) |
| Mar 19, 2025 | 32.83% (0.32834) | 96.33th | v4 (v2025.03.14) |
| Mar 17, 2025 | 14.74% (0.14736) | 93.99th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00053) | 22.91th | v3 (v2023.03.01) |
| May 3, 2024 | 0.05% (0.00046) | 15.91th | v3 (v2023.03.01) |
| Jan 9, 2024 | 0.05% (0.00046) | 13.81th | v3 (v2023.03.01) |
| Jan 3, 2024 | 0.04% (0.00043) | 6.94th | v3 (v2023.03.01) |
References (2)
- https://wpscan.com/blog/stored-xss-fixed-in-popup-builder-4-2-3/ technical-descriptionExploitThird Party Advisory
- https://wpscan.com/vulnerability/cdb3a8bd-4ee0-4ce0-9029-0490273bcfc8 exploitvdb-entrytechnical-descriptionThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://wpscan.com/blog/stored-xss-fixed-in-popup-builder-4-2-3/ | technical-descriptionExploitThird Party Advisory | |
| https://wpscan.com/vulnerability/cdb3a8bd-4ee0-4ce0-9029-0490273bcfc8 | exploitvdb-entrytechnical-descriptionThird Party Advisory |
Change history (0)
No recorded changes yet.