Security readout for executives and security teams
Plain-English summary
Savsoft Quiz 5.0 lets a logged-in attacker save malicious browser code in account settings. That code can run later when another user views the affected profile, potentially exposing session-related data or altering what the victim sees.
Executive priority
Address on a normal security patch cycle, accelerated if the application is internet-facing or used by many semi-trusted users. The main business risk is account trust erosion and browser-side compromise paths, not direct server takeover.
Technical view
This is a stored XSS issue in Savsoft Quiz 5.0 user profile fields handled by the edit_user endpoint. The supplied CVSS 3.1 score is 6.4, with low attack complexity, required low privileges, changed scope, and low confidentiality and integrity impact.
Likely exposure
Exposure is limited to organizations running Savsoft Quiz 5.0, especially instances where untrusted authenticated users can edit profiles that administrators, instructors, or other users later view.
Exploitation context
A public ExploitDB reference exists, but the source bundle does not show CISA KEV listing or other evidence of active exploitation. Treat exploitability as plausible, not proven active in the wild.
Researcher notes
Evidence identifies CWE-79 stored XSS in profile fields submitted through edit_user. The advisory data does not name a fixed release, patch commit, or operational workaround, so remediation should start with vendor verification and local exposure testing.
Mitigation direction
- Check Savsoft vendor guidance for a fixed version or official workaround.
- Inventory all Savsoft Quiz deployments and confirm whether version 5.0 is present.
- Restrict profile editing and account creation to trusted users where feasible.
- If maintaining a fork, apply robust server-side validation and output encoding.
- Review browser session protections for administrative users.
Validation and detection
- Confirm whether Savsoft Quiz 5.0 is deployed in production or test environments.
- Check whether untrusted authenticated users can reach account settings.
- Review profile fields for stored markup or script-like content.
- Verify whether privileged users view submitted profile content.
- Track vendor and CVE updates for fix information.
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-2021-47962 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
- 6.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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.
SSVC decision data
CVSS vector scores
2 official scoresWe 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:N/S:C/C:L/I:L/A:N3.12.7VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N——VulnCheckVulnerability scoring details
Base CVSS 4.0 score
5.1MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Base CVSS 3.1 score
6.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
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
- ExploitDB-49825CVE reference, VulnCheck · exploit
- Official Product HomepageCVE reference, VulnCheck · product
- Product ReferenceCVE reference, VulnCheck · product
- VulnCheck Advisory: Savsoft Quiz 5.0 Persistent Cross-Site Scripting via User SettingsCVE reference, VulnCheck · third-party-advisory
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.