Security readout for executives and security teams
Plain-English summary
CVE-2023-3620 is a stored cross-site scripting issue in amauric/tarteaucitron.js before v1.13.1. A low-privileged attacker could potentially cause script to run when another user views affected content. Business impact is mainly browser-session data exposure or page tampering, not server takeover.
Executive priority
Treat as a targeted remediation item, not an emergency. Patch during the next normal web release cycle unless the affected site allows low-trust users to store content viewed by staff, customers, or administrators.
Technical view
The CVE is CWE-79 stored XSS in the GitHub repository amauric/tarteaucitron.js prior to v1.13.1. CVSS 3.0 is 4.6: network reachable, low complexity, low privileges required, user interaction required, unchanged scope, low confidentiality and integrity impact, no availability impact.
Likely exposure
Exposure is limited to sites or web apps using amauric/tarteaucitron.js before v1.13.1. The source bundle does not identify downstream products, package names, or specific vulnerable fields. Confirm whether the library is present in deployed pages and whether the version is below the fixed release.
Exploitation context
The source bundle does not show CISA KEV listing or any cited claim of active exploitation. The CVSS vector indicates exploitation requires low privileges and user interaction. Because this is stored XSS, risk is higher where untrusted or lower-trust users can save content later viewed by others.
Researcher notes
Evidence is sufficient for affected project, vulnerability class, version boundary, and CVSS. It is incomplete on the exact vulnerable sink, exploit maturity, and downstream exposure. Avoid assuming affected CMS plugins, integrations, or active exploitation without additional vendor or asset-specific evidence.
Mitigation direction
- Upgrade amauric/tarteaucitron.js to v1.13.1 or later.
- Review the linked vendor commit and release guidance before deployment.
- Prioritize internet-facing pages using the affected library version.
- Check vendor guidance if upgrading is delayed.
- Retest affected pages after updating the library.
Validation and detection
- Inventory deployed assets for amauric/tarteaucitron.js usage.
- Verify loaded library versions are v1.13.1 or later.
- Review dependency lockfiles and bundled frontend assets.
- Confirm no stale CDN or cached copy serves an older version.
- Use safe XSS detection tests in a non-production environment.
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-2023-3620 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
- 4.6 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
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:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N2.12.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
4.6MediumVector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
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.