Security readout for executives and security teams
Plain-English summary
A WordPress add-on called JetEngine, made by Crocoblock, has a flaw in versions 3.7.3 and earlier that lets a logged-in user with limited rights save malicious code into the website. When another user, often an administrator, later views that content, the code runs in their browser and could hijack their session or alter the site.
Executive priority
Treat as a moderate, schedulable patching item rather than an emergency. Prioritize sites where untrusted users can register or submit content, and where administrators frequently review user-generated material. Aim to update JetEngine within a standard monthly patch cycle once Crocoblock publishes a fixed version.
Technical view
CVE-2025-49938 is a stored cross-site scripting issue (CWE-79) in the Crocoblock JetEngine WordPress plugin through 3.7.3. Per Patchstack, an authenticated low-privilege user can inject script payloads that persist and execute in higher-privilege contexts. CVSS 3.1 base is 6.5 (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L), reflecting scope change and user interaction.
Likely exposure
Exposure is limited to WordPress sites running the Crocoblock JetEngine plugin at version 3.7.3 or earlier where attackers can obtain or be granted a low-privilege authenticated account (such as contributor or editor). Public, content-driven WordPress sites that allow registration or guest authoring are most exposed; locked-down admin-only sites are less so.
Exploitation context
No public exploitation has been reported in the supplied sources, and the CVE is not listed in CISA KEV. Stored XSS in widely deployed WordPress plugins is historically attractive to attackers because payloads can persist until viewed by an administrator, but this advisory provides no evidence of in-the-wild abuse at this time.
Researcher notes
Sources confirm stored XSS, scope change, and required low-privilege auth plus user interaction, consistent with a backend-rendered content vector. The Patchstack entry is the only technical reference cited; affected version data lists "0" as a placeholder, so the authoritative range is "<= 3.7.3" from the description. No PoC, fix version, or exploitation telemetry is included in the provided bundle—verify fix availability directly with Crocoblock or Patchstack before declaring remediated.
Mitigation direction
- Inventory all WordPress sites running Crocoblock JetEngine and identify versions at or below 3.7.3.
- Check Crocoblock and Patchstack for a fixed JetEngine release and update affected sites once available.
- Restrict authenticated content-creation roles to trusted users until patched.
- Apply WAF rules that flag script-like input in JetEngine fields where supported.
- Audit recently created posts, custom fields, and meta data for suspicious script content.
- Review and rotate WordPress administrator sessions and credentials if compromise is suspected.
Validation and detection
- Confirm JetEngine plugin version via wp-admin Plugins screen or wp-cli plugin list.
- Cross-reference installed version against the Patchstack advisory for fixed-version guidance.
- Review user role assignments to identify which low-privilege accounts could reach JetEngine input vectors.
- Inspect logs and database content for unexpected HTML or script tags in JetEngine-managed fields.
- Validate that any deployed WAF or hardening plugin sees and filters traffic to JetEngine endpoints.
- Re-test after patching by browsing affected pages as a privileged user in a controlled session.
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-2025-49938 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.