FactorJS - Stored Cross-Site Scripting (XSS) in Post Reply Functionality
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
In Factor (App Framework & Headless CMS) forum plugin, versions v1.3.3 to v1.8.30, are vulnerable to stored Cross-Site Scripting (XSS) at the “post reply” section. An unauthenticated attacker can execute malicious JavaScript code and steal the session cookies.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
FactorJS Factor unspecified
4 records Highest priority Priority HIGH 1 HIGH, 3 MEDIUM
Other records, highest priority first
- TI-2021-07991 FactorJS - Insufficient Session Expiration Leads to a Local Account TakeoverPriority HIGH 76
- TI-2021-07989 FactorJS - Reflected Cross-Site Scripting (XSS) in Tags and Categories FunctionalityPriority MEDIUM 60
- TI-2021-07988 FactorJS - Reflected Cross-Site Scripting (XSS) in Search FunctionalityPriority MEDIUM 60
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25984
- 2026-10-03 Alias added: GHSA-fjhf-p3hr-pvv7
References
More FactorJS Factor vulnerabilities
- TI-2021-07991 FactorJS - Insufficient Session Expiration Leads to a Local Account Takeover CVSS 3.1CRITICAL 9.8
- TI-2021-07989 FactorJS - Reflected Cross-Site Scripting (XSS) in Tags and Categories Functionality CVSS 3.1MEDIUM 6.1
- TI-2021-07988 FactorJS - Reflected Cross-Site Scripting (XSS) in Search Functionality CVSS 3.1MEDIUM 6.1
Sources
- CVE-2021-25984 · CVE Program
- CVE-2021-25984 · NVD
- FIRST EPSS
- GHSA-fjhf-p3hr-pvv7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences