CVE-2024-25107: wikidiscover XSS — Fix

Description

WikiDiscover is an extension designed for use with a CreateWiki managed farm to display wikis. On Special:WikiDiscover, the `Language::date` function is used when making the human-readable timestamp for inclusion on the wiki_creation column. This function uses interface messages to translate the names of months and days. It uses the `->text()` output mode, returning unescaped interface messages. Since the output is not escaped later, the unescaped interface message is included on the output, resulting in an XSS vulnerability. Exploiting this on-wiki requires the `(editinterface)` right. This vulnerability has been addressed in commit `267e763a0`. Users are advised to update their installations. There are no known workarounds for this vulnerability.

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CVSS v3.1 Score

4.9

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
miraheze	wikidiscover	< 2023-02-08

References

Advisories & Patches

https://github.com/miraheze/WikiDiscover/commit/267e763a0d7460f001693c42f67717a0fc3fd6bb https://github.com/miraheze/WikiDiscover/security/advisories/GHSA-cfcf-94jv-455f https://issue-tracker.miraheze.org/T11814 https://github.com/miraheze/WikiDiscover/commit/267e763a0d7460f001693c42f67717a0fc3fd6bb https://github.com/miraheze/WikiDiscover/security/advisories/GHSA-cfcf-94jv-455f https://issue-tracker.miraheze.org/T11814

Frequently Asked Questions

What is CVE-2024-25107? +

WikiDiscover is an extension designed for use with a CreateWiki managed farm to display wikis. On Special:WikiDiscover, the `Language::date` function is used when making the human-readable timestamp for inclusion on the wiki_creation column. This function uses interface messages to translate the names of months and days. It uses the `->text()` output mode, returning unescaped interface messages. Since the output is not escaped later, the unescaped interface message is included on the output, resulting in an XSS vulnerability. Exploiting this on-wiki requires the `(editinterface)` right. This vulnerability has been addressed in commit `267e763a0`. Users are advised to update their installations. There are no known workarounds for this vulnerability. It has a CVSS v3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2024-25107? +

CVE-2024-25107 has a CVSS v3.1 score of 4.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-25107? +

CVE-2024-25107 affects products from miraheze, specifically: wikidiscover. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-25107? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-25107