Unrated

Stored XSS in Outerbase Studio Text Widget

IdentifiersCVE-2026-55650CWE-79

CVE-2026-55650 is a stored cross-site scripting vulnerability in the Text Widget of Outerbase Studio. According to the provided advisory, the issue is caused by unsafe HTML rendering through dangerouslySetInnerHTML, allowing attacker-controlled or untrusted HTML content stored in the widget to be rendered and executed in the browser context. The vulnerable behavior affects versions up to 0.10.2, and the fix removed the unsafe HTML rendering path.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation results in execution of injected script in the browser when the stored widget content is rendered. Based on the provided advisory, because Outerbase Cloud and backend services were discontinued in 2025 and the product now operates in a client-side-only architecture, the practical impact is limited to local self-XSS within the affected user's browser session. The previously assumed downstream impacts such as authentication token theft, account takeover, and database access are stated to no longer apply in the current architecture.

Mitigation

If you can’t patch tonight, do this now.

No alternative workaround is specifically provided beyond patching. Until an updated version is deployed, avoid rendering untrusted HTML in the Text Widget and avoid use of vulnerable versions where unsanitized HTML can be stored and later executed.

Remediation

Patch, then assume compromise.

Upgrade to a version after 0.10.2 that includes the fix for the Text Widget unsafe HTML rendering issue. The advisory states the vulnerability was fixed by removing unsafe HTML rendering in commit b06fb85e5967440278d5a815721b360920566ab9.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

ACTIVITY FEED

Recent activity

No public activity tracked yet. Mallory keeps watching.

0 SOURCESView more in app

No public activity observed for this vulnerability.

What this page doesn’t show

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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity