Security readout for executives and security teams
Plain-English summary
CVE-2025-55713 is a stored cross-site scripting issue in the WordPress Blocksy theme through version 2.1.6. An attacker with high privileges could store unsafe input that later runs in another user’s browser. Business risk is moderate because exploitation needs privileges and user interaction, but successful abuse can affect confidentiality, integrity, and availability at a limited level.
Executive priority
Treat as a near-term maintenance fix for WordPress properties using Blocksy, especially public sites with multiple administrators. It is not currently evidenced as actively exploited in the provided sources, but stored XSS can create brand, session, and content integrity risk if left unresolved.
Technical view
The CVE describes CWE-79 improper input neutralization during web page generation in creativethemeshq Blocksy. CVSS 3.1 is 5.9: network reachable, low attack complexity, high privileges required, user interaction required, changed scope, and low C/I/A impact. The source bundle identifies affected versions as Blocksy through <=2.1.6.
Likely exposure
WordPress deployments using the creativethemeshq Blocksy theme through version 2.1.6. Sites not using Blocksy, or using versions outside the affected range, are not indicated as affected by the provided sources. The CVE data does not provide CPEs.
Exploitation context
The bundle does not show CISA KEV listing or active exploitation evidence. Exploitation should not be assumed active. The CVSS vector indicates exploitation requires a highly privileged actor and user interaction, consistent with stored XSS risk in an authenticated WordPress context.
Researcher notes
Evidence is limited to the CVE record and Patchstack reference. No exploit details, fixed version, CPE, or proof of active exploitation are included in the bundle. Validate exposure by theme presence and version, then follow vendor or Patchstack remediation guidance.
Mitigation direction
- Inventory WordPress sites for the Blocksy theme and installed versions.
- Prioritize Blocksy 2.1.6 or older for vendor-guided remediation.
- Check Patchstack and vendor release guidance for the fixed version or official workaround.
- Limit high-privilege WordPress access to trusted users while remediation is pending.
- Review recent privileged content changes for unexpected scripts or markup.
Validation and detection
- Confirm whether each WordPress site has Blocksy installed and active.
- Verify the installed Blocksy version is greater than the affected <=2.1.6 range.
- Review theme changelogs or vendor advisories before closing remediation.
- Check WordPress admin roles for unnecessary high-privilege accounts.
- Monitor web pages and logs for suspicious stored script behavior.
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-2025-55713 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
- 5.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/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:H/UI:R/S:C/C:L/I:L/A:L1.73.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.9MediumVector: CVSS:3.1/AV:N/AC:L/PR:H/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.