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CVE-2025-53489· NVD / CVE Program· CNA wikimedia-foundation

XSS in GoogleDocs4MW

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - GoogleDocs4MW Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - GoogleDocs4MW Extension: from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

MediumCVSS 5.6 · v3.1—No exploit Fix available
Published
Jul 3, 2025
Updated
Jun 17, 2026
EPSS
0.2% · 13th percentile
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Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.6 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

Noroxi analysis

No Noroxi analysis for this record yet

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Affected systems

VendorProduct
mediawikimediawiki
jackphoenixgoogledocs4mw

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • jackphoenix googledocs4mwall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (wikimedia-foundation). Independent of NVD's CPE analysis and usually ahead of it.

  • Wikimedia Foundation Mediawiki - GoogleDocs4MW Extension

    • 1.42.x and later · before 1.42.7affected · semver
    • 1.43.x and later · before 1.43.2affected · semver

Same product

mediawiki: all records

Other highest-scoring records for the same primary product.

  • CVE-2022-29904The SemanticDrilldown extension for MediaWiki through 1.37.2 (before e688bdba6434591b5dff689a45e4d53459954773) allows SQL injection with cer
    44Plan
  • CVE-2017-0372Parameters injection in SyntaxHighlight results in multiple vulnerabilities
    42Plan
  • CVE-2017-8809api.php in MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 has a Reflected File Download vulnerability.
    41Plan
  • CVE-2019-12468An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1.
    40Plan
  • CVE-2014-9487The getid3 library in MediaWiki before 1.24.1, 1.23.8, 1.22.15 and 1.19.23 allows remote attackers to read arbitrary files, cause a denial o
    40Plan
  • CVE-2015-8009The MWOAuthDataStore::lookup_token function in Extension:OAuth for MediaWiki 1.25.x before 1.25.3, 1.24.x before 1.24.4, and before 1.23.11
    40Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Wikimedia Foundation Mediawiki - GoogleDocs4MW Extension1.42.7Vendor (CNA)
Wikimedia Foundation Mediawiki - GoogleDocs4MW Extension1.43.2Vendor (CNA)

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.

EPSS, last 120 days

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.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-14358363 days apartStored XSS in Wikimedia Chart pie tooltip via Data:*.tab field title
    27Monitor
  • CVE-2025-534931 days apartStored XSS in MintyDocs
    26Monitor
  • CVE-2025-534941 days apartStored XSS in TwoColConflict
    26Monitor
  • CVE-2024-34500424 days apartAn issue was discovered in the UnlinkedWikibase extension in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1.
    24Monitor
  • CVE-2024-23173538 days apartAn issue was discovered in the Cargo extension in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2.
    24Monitor
  • CVE-2024-23177538 days apartAn issue was discovered in the WatchAnalytics extension in MediaWiki before 1.40.2.
    24Monitor

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.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
low · the service can be disrupted
Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
Low
Availability impact
Low

Weakness class (CWE)

CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS vector

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

nvd-secondary

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

The bug in code

The whole CWE-79 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
commentEl.innerHTML = comment.body;

Fixed

ts
commentEl.textContent = comment.body;

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records