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Fencer Intel
medium 4.3

GHSA-5pm7-cp8f-p2c2 json

wallabag/wallabag Has Multiple Cross-Site Request Forgery (CSRF) Vulnerabilities

published last yr. modified last yr.

cvss
4.3
version 3.1, GitHub
cisa kev
Not listed
not in CISA's catalog
epss
—
no score, EPSS covers CVEs only
public exploits
0
none known

Summary

## Impact

wallabag versions prior to 2.6.11 were discovered to contain multiple Cross-Site Request Forgery (CSRF) vulnerabilities across several endpoints. An attacker could craft a malicious link or page that, if visited by a logged-in wallabag user, could trick the user's browser into performing unintended actions within their wallabag account without their consent. Additionally, one endpoint affects the login page locale setting.

The affected endpoints allow attackers to potentially perform actions such as:

* **Manage API Tokens:** * `/generate-token` * `/revoke-token` * **Manage User Rules:** * `/tagging-rule/delete/{taggingRule}` * `/ignore-origin-user-rule/delete/{ignoreOriginUserRule}` * **Modify User Configuration:** * `/config/view-mode` * **Manage Individual Entries:** * `/reload/{id}` * `/archive/{id}` * `/star/{id}` * `/delete/{id}` * `/share/{id}` * `/share/delete/{id}` * **Manage Tags:** * `/remove-tag/{entry}/{tag}` * `/tag/search/{filter}` * `/tag/delete/{slug}` * **Perform Bulk Actions:** * `/mass` * **Change Interface Language (Login Page):** * `/locale/{language}`

Successfully exploiting these vulnerabilities could lead to unauthorized modification or deletion of user data, configuration changes, token manipulation, or interface changes, depending on the specific endpoint targeted.

This set of vulnerabilities has an aggregated CVSS v3.1 score of 4.3 (Medium).

**Users are strongly advised to upgrade their wallabag instance to version 2.6.11 or later to mitigate these vulnerabilities.**

## Resolution

These vulnerabilities have been addressed in wallabag version **2.6.11**. The affected endpoints have been modified to require the HTTP POST method along with a valid CSRF token for state-changing actions, preventing attackers from forcing users' browsers to perform these actions unintentionally.

## Credits

Found, reported and fixed by @yguedidi

Patch / fix

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CVSS scores

assigned by version score vector
GitHub 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist wallabag/wallabag
<2.6.11
2.6.11

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.