LiveActive security incident?Get immediate response
CVE Record

CVE-2020-36526: Countdown Timer Macro cross site scripting

A vulnerability classified as problematic was found in Countdown Timer. This vulnerability affects unknown code of the component Macro Handler. The manipulation leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

LowCVSS 3.5Not KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

CVE-2020-36526 is a low-severity cross-site scripting issue in the Countdown Timer macro handler. A logged-in user could cause limited integrity impact after another user interacts with affected content. The public record says exploit details were disclosed, but it is not in CISA KEV and the bundle gives no evidence of active exploitation.

Executive priority

Treat as a low-priority remediation unless the component is widely used by untrusted users or exposed in sensitive workflows. The main business risk is limited page/content manipulation, not system takeover, based on the supplied CVSS and source details.

Technical view

The CVE maps to CWE-79 and CVSS 3.1 score 3.5: network reachable, low complexity, low privileges required, user interaction required, unchanged scope, no confidentiality or availability impact, and low integrity impact. Affected code and versions are unspecified beyond Countdown Timer Macro Handler.

Likely exposure

Exposure is likely limited to deployments using the affected Countdown Timer product with macro functionality enabled. The vendor and versions are unspecified, so organizations must confirm whether this exact component exists in their CMS, wiki, or application stack.

Exploitation context

Sources state remote initiation and public disclosure of exploit information. They do not establish active exploitation, broad scanning, or inclusion in CISA KEV. Practical risk depends on whether attackers can obtain low-privileged access and convince another user to interact with affected content.

Researcher notes

Evidence is sparse: affected vendor, versions, code path, and patch status are not identified in the bundle. Validate exposure by confirming the exact Countdown Timer implementation before assigning owners or timelines. Do not infer impact beyond reflected or stored XSS without vendor detail.

Mitigation direction

  • Identify whether Countdown Timer macro functionality is deployed.
  • Check vendor or project guidance for fixed versions or recommended configuration.
  • Restrict macro creation or editing to trusted users until remediated.
  • Review exposed content for untrusted or unexpected macro input.

Validation and detection

  • Inventory applications for Countdown Timer and macro handler usage.
  • Confirm installed version and vendor against available advisory details.
  • Review application roles that can create or modify timer macros.
  • Check logs and content history for suspicious macro changes.
Prepared
Confidence
medium
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2020-36526 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Low
CVSS
3.5 (3.1)
Known Exploited
No
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
3.5CVSS 3.1LowCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N2.11.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

3.5Low
CVSS 3.1 vector shape for CVE-2020-36526Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
unspecifiedCountdown Timern/aListed
Weakness

CWE details

CWE-79

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-79 · source CWE mapping

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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.

Open CWE intelligenceSame-CWE CVEs