Security readout for executives and security teams
Plain-English summary
CVE-2025-31873 is a stored cross-site scripting issue in the WordPress SheetDB plugin. A user with some privilege could save content that later runs in another user's browser. That can affect site integrity, limited data exposure, and administrator trust, but the sources do not show confirmed active exploitation.
Executive priority
Prioritize remediation for WordPress sites where SheetDB is active and non-admin users can modify content. This is not evidenced as actively exploited, but stored XSS can undermine administrator sessions and site trust if left unresolved.
Technical view
The issue is CWE-79 stored XSS in sheetdb SheetDB, reported as affecting versions through 1.3.4. CVSS 3.1 is 6.5 with network attack vector, low complexity, low privileges required, and user interaction required. Version evidence is not perfectly clean because one Patchstack reference title mentions 1.3.3.
Likely exposure
Exposure is likely limited to WordPress sites running the SheetDB plugin at or below the affected version range. Risk is higher where authenticated lower-privilege users can create or modify plugin-rendered content seen by administrators or other trusted users.
Exploitation context
The CVSS vector indicates exploitation requires low privileges and user interaction. The provided sources do not identify public exploit code, mass exploitation, or CISA KEV listing. Treat exploitation status as unconfirmed from the supplied evidence.
Researcher notes
Evidence supports stored XSS, CWE-79, CVSS 6.5, PR:L and UI:R. The supplied affected metadata is sparse and slightly inconsistent on version detail, so confirm exact affected and fixed versions with vendor or Patchstack before closing exposure.
Mitigation direction
- Identify all WordPress sites using the SheetDB plugin.
- Check vendor and Patchstack guidance for a fixed or safe version.
- Update the plugin when an official fix is available.
- Disable or remove the plugin where it is not business-critical.
- Restrict content-editing privileges until remediation is confirmed.
Validation and detection
- Confirm installed SheetDB plugin versions across WordPress assets.
- Compare versions against the CVE affected range through 1.3.4.
- Review roles allowed to create or edit SheetDB-rendered content.
- Check security logs for suspicious stored script-like content.
- Retest after update, removal, or privilege reduction.
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-2025-31873 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.
SSVC decision data
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:L2.33.7PatchstackVulnerability 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
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://patchstack.com/database/Wordpress/Plugin/sheetdb/vulnerability/wordpress-sheetdb-plugin-1-3-3-cross-site-scripting-xss-vulnerability?_s_id=cveCVE reference, Patchstack · vdb-entry
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.