Security readout for executives and security teams
Plain-English summary
CVE-2023-25484 affects the WordPress Simple Yearly Archive plugin through version 2.1.8. A logged-in administrator could store script content that later runs in another user's browser. The business risk is meaningful but constrained because exploitation requires high WordPress privileges and user interaction.
Executive priority
Treat this as a normal-priority remediation unless the plugin is deployed on important public sites or administrator access is broadly delegated. Prioritize inventory, account hygiene, and vendor-guided updates over emergency response.
Technical view
The issue is CWE-79 stored XSS in Oliver Schlöbe Simple Yearly Archive <=2.1.8. The CVSS 3.1 score is 5.9 with network access, low attack complexity, high privileges required, user interaction required, changed scope, and low confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to WordPress sites that have the Simple Yearly Archive plugin installed at version 2.1.8 or earlier. Risk is higher where administrator accounts are shared, delegated, compromised, or used across multisite environments.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The vulnerability requires an authenticated administrator-level actor and a victim interaction path, so it is not described as unauthenticated mass exploitation.
Researcher notes
Evidence identifies authenticated admin-plus stored XSS only. The bundle does not provide sink details, proof of concept, fixed version, or exploitation telemetry. Avoid assuming broader WordPress impact beyond Simple Yearly Archive <=2.1.8.
Mitigation direction
- Inventory WordPress sites for the Simple Yearly Archive plugin.
- Confirm whether installed versions are 2.1.8 or earlier.
- Check vendor and Patchstack guidance for a fixed release or workaround.
- Restrict WordPress administrator access to trusted, MFA-protected accounts.
- Review recent administrator activity for unexpected plugin configuration changes.
Validation and detection
- Verify plugin presence and version from WordPress administration or asset inventory.
- Confirm whether any affected site exposes archive pages using the plugin.
- Review privileged account audit logs for suspicious changes.
- Use a non-destructive scanner or staging test to confirm remediation.
- Document exceptions where the plugin remains installed without vendor guidance.
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-2023-25484 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.