Security readout for executives and security teams
Plain-English summary
A flaw in the JetWooBuilder WordPress plugin (versions up to and including 2.1.20.1) lets an attacker with a low-level account inject malicious scripts that get stored on the site and run in other users' browsers. For a business, this could mean hijacked admin sessions, defaced product pages, or customers redirected to malicious sites on a WooCommerce store.
Executive priority
Schedule patching within the next standard maintenance cycle. This is an authenticated, user-interaction XSS in a WooCommerce builder plugin, not a remote takeover, but it can still lead to admin account compromise on stores that use it. Treat as moderate priority for any site running WooCommerce with JetWooBuilder.
Technical view
CVE-2025-49927 is a Stored Cross-Site Scripting issue (CWE-79) in Crocoblock's JetWooBuilder plugin through 2.1.20.1, caused by improper neutralization of input during web page generation. The CVSS 3.1 score is 6.5 (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L), indicating network-reachable exploitation by an authenticated low-privileged user, requiring victim interaction, with scope change and limited impact across confidentiality, integrity, and availability.
Likely exposure
WordPress sites running WooCommerce with the JetWooBuilder plugin (jet-woo-builder) at version 2.1.20.1 or earlier, especially e-commerce stores that allow contributor, author, or shop-manager-level accounts. Sites without the plugin or running a fixed version (per Patchstack guidance) are not exposed.
Exploitation context
No public reports of active exploitation and the issue is not listed in CISA KEV. Exploitation requires a low-privileged authenticated account plus interaction from a victim user, typically an admin or shopper viewing the affected page. Scope-changed XSS means injected scripts can act in the context of other users or origins.
Researcher notes
Stored XSS with CVSS scope change (S:C) and PR:L/UI:R suggests injection through a plugin field rendered to other users, likely on product or builder-generated pages. The CVE record lists affected versions through 2.1.20.1 with default status unaffected and no enumerated CPEs, so confirm fixed version directly via Patchstack and Crocoblock changelogs. No PoC, KEV listing, or exploitation telemetry cited in the bundle.
Mitigation direction
- Inventory WordPress sites for the JetWooBuilder plugin and confirm installed versions.
- Update JetWooBuilder to the latest vendor release per Crocoblock and Patchstack guidance.
- Restrict contributor, author, and shop-manager accounts to trusted users until patched.
- Place a WAF or virtual patch in front of vulnerable sites to filter stored XSS payloads.
- Audit existing plugin-rendered content and product pages for suspicious script injection.
Validation and detection
- Check plugin version under wp-admin Plugins; flag any install at 2.1.20.1 or earlier.
- Confirm fixed version availability via the Patchstack advisory before declaring remediation complete.
- Review WordPress user roles to identify low-privileged accounts that can author plugin content.
- Search web server and WAF logs for unusual script tags or event handlers in JetWooBuilder fields.
- Re-test affected pages after patching to confirm injected payloads are neutralized.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-49927 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L2.33.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.5MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Source materials
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.