Twitter-Post-Fetcher Link Target twitterFetcher.js reverse tabnabbing
A vulnerability classified as problematic has been found in Twitter-Post-Fetcher up to 17.x. This affects an unknown part of the file js/twitterFetcher.js of the component Link Target Handler. The manipulation leads to use of web link to untrusted target with window.opener access. It is possible to initiate the attack remotely. Upgrading to version 18.0.0 is able to address this issue. The name of the patch is 7d281c6fb5acbc29a2cad295262c1f0c19ca56f3. It is recommended to upgrade the affected component. The identifier VDB-217017 was assigned to this vulnerability.
- Published
- Dec 29, 2022
- Updated
- Jun 16, 2026
- EPSS
- 0.5% · 42th percentile
- CWE
- CWE-1022
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Report tools
Action score
24
Monitor
Low priority for now.
- CVSS
- 24 / 40 · 6.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.5%
CNA vs NVD score
- NVD
- 6.1
- CNA · VulDB
- 4.2
- 1.9 point gap
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| twitter-post-fetcher project | twitter-post-fetcher | cpe:2.3:a:twitter-post-fetcher_project:twitter-post-fetcher |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- twitter-post-fetcher project twitter-post-fetcherbefore 18.0.0
Versions reported by the vendor
Affected version ranges reported by the assigning authority (VulDB). Independent of NVD's CPE analysis and usually ahead of it.
n/a Twitter-Post-Fetcher
- 17.xaffected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| npm | twitter-fetcher-js | before 18.0.0 | 18.0.0 |
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| n/a Twitter-Post-Fetcher | 18.0.0 · description | Vendor (CNA) |
| npm:twitter-fetcher-js | 18.0.0 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- low · data can be read
- Integrity
- low · data or configuration can be modified
- Availability
- none
Impact can extend beyond the vulnerable component (scope changes).
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality impact
- Low
- Integrity impact
- Low
- Availability impact
- None
Weakness class (CWE)
CWE-1022 · Use of Web Link to Untrusted Target with window.opener AccessCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- github.com/jasonmayes/Twitter-Post-Fetcher/commit/7d281c6fb5acbc29a2cad295262c1f0c19ca56f3
- github.com/jasonmayes/Twitter-Post-Fetcher/pull/170
- github.com/jasonmayes/Twitter-Post-Fetcher/releases/tag/18.0.0
- vuldb.com/?ctiid.217017
- vuldb.com/?id.217017
Vendor advisories and official records. Exploit/PoC links are deliberately left out.