vciy

CVE-2025-53496

INDEX BUILT · 2026-09-20

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Stored XSS in MediaSearch

CVE-2025-534963 of 4 sources documented this
unranked

No rank

rank@v1 withholds a number for this record

nothing this rule scores is held for this record, so there is no ordering to state. That is a fact about the sources, not a finding about the software.

Hindsight · the state

0.00174EPSSNOT IN KEVas of 2026-09-20
Severitynot scored
Harmnot stated
Exploitationnone in held sources
Defensefix version namedreceipt
Movementrisenreceipt
PLATEAU10Minimal movement since 2025-07-08, 384 days at 0.00, as of 2026-07-27. arc-rules@v1

Foresight · where to check next

QNAP Systems Inc.Cisco AdaptiveCVE-2018-6882ZimbraMicrosoft53496

This record is one instance of CWE-79, improper neutralization of input during web page generation ('cross-site scripting'). The index holds 47894 prior instances of this class, 32 KEV-listed. The nearest of its KEV-listed records are drawn beside this. taxonomy@v1

Full pattern panel

Prior records in this weakness class. Each is its own record, dated and receipted.
Color is a claim, not decoration:the hostile worldthe defenseno signal

Running Wikimedia Foundation Mediawiki -…? Check your version

A deterministic range check against the ranges this record publishes. It tells you where a version sits in the record, not whether your deployment is exploitable. No account needed.

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Harm, if it fires from the vector and the weakness

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ReachNo CVSS vector in held sources, so no reach or impact can be stated.
Weakness classCWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')receipt
Published consequencesCWE-79: Access Control, Confidentiality: Bypass Protection Mechanism, Read Application Data; Integrity, Confidentiality, Availability: Execute Unauthorized Code or Commands…[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed in1.42.7; 1.43.2receipt
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

Exploit probability0.00174 · top 93% of all CVEsreceipt
Assigned bywikimedia-foundationreceipt
Recorded changes16 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productWikimedia Foundation Mediawiki - MediaSearch Extensionreceipt
Fixed in1.42.7; 1.43.2receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

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

NVD's analysis a second authority

weakness
CWE-79
also scored by
5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

check it yourself phabricator.wikimedia.org gerrit.wikimedia.org receipt

Movement the material steps

8 Jul 20250.00029
15 Jun 20260.0017 · scoring model v2026.06.15
27 Jul 20260.00174
Show all 16 observations
8 Jul 20250.00029
8 Aug 20250.00034
13 Sep 20250.00039
6 Nov 20250.00052
3 Dec 20250.00021
4 Dec 20250.0002
15 Dec 20250.00024
31 Jan 20260.00025
10 Feb 20260.00024
12 Mar 20260.00026
23 Mar 20260.00038
2 Apr 20260.00042
23 Apr 20260.00046
3 May 20260.00129
15 Jun 20260.0017
27 Jul 20260.00174

16 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.00174Published2025-07-07Index as of2026-07-27

The record had been public for 1 year when this index was last written.

Published 2025-07-07 receipt · Index as of 2026-07-27 derived

The pattern, elsewhere

This record is one instance of CWE-79, improper neutralization of input during web page generation ('cross-site scripting'). The index holds 47894 prior instances of this class, 32 KEV-listed. The nearest of its KEV-listed records are drawn beside this. [email protected]

CVE-2018-19943 · QNAP Systems Inc. QTSonly 1 attribute comparableKEV listed · 2020receipt
CVE-2018-19953 · QNAP Systems Inc. QTSonly 1 attribute comparableKEV listed · 2020receipt
CVE-2020-3580 · Cisco Adaptive Security Appliance (ASA)…only 1 attribute comparableKEV listed · 2020receipt
CVE-2018-6882nothing comparable heldKEV listed · 2018receipt
CVE-2025-66376 · Zimbra Collaborationonly 1 attribute comparableKEV listed · 2026receipt
CVE-2026-42897 · Microsoft Exchange Server 2016 Cumulative…only 1 attribute comparableKEV listed · 2026receipt

"Matches n of m" counts the attributes the two records can both be compared on: the CVSS metrics they share a version of, any weakness class beyond this one, and the vendor. fit-rules@v1

47894 records in this class held. The six above are drawn from the ones CISA has listed as exploited, ranked by how much of the record matches this one. That is why every one of them is KEV-listed: the pool is, so the colour on those spokes says nothing the pool has not already said.

No curated product neighbourhood is held for this product, so the records above are the nearest this index can name. The neighbourhood table covers a small set of products and is extended by hand.

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