01 Record
CVE-2026-0555
Premmerce <= 1.3.20 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'premmerce_wizard_actions' AJAX Endpoint
MediumPUBLISHEDCNA: Wordfence
CNA base score6.4 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
02 Description
Premmerce <= 1.3.20 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'premmerce_wizard_actions' AJAX Endpoint
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.27% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 19.7% of scored records. A rank, not a probability.
- NVD base score
- 6.4 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-02-07 08:26Z8 MO AGO
- Last updated
- 2026-04-08 17:06Z6 MO AGO
- Reserved
- 2026-01-01
- Assigning CNA
- Wordfence
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.4)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
- Data version
- 5.2
- Document digest
- 68ce170da9d6f73c2e07c8692ac14a0655655af34cd46ff7afd9f823bab5d04c
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/90b2a644-19a0-43a1-8ff6-7486d7ef29b3?source=cve
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/premmerce/tags/1.3.20/src/Admin/Admin.php?marks=41#L41
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/premmerce/tags/1.3.20/src/Admin/Handlers/WizardHandler.php?marks=42,50,52#L42
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/premmerce/tags/1.3.20/src/Api/WizardApi.php?marks=38#L38
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/premmerce/tags/1.3.20/views/admin/tabs/wizard.php?marks=30#L30
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset/3464825/