CVE-2024-33905

MEDIUMNVD 4.64.6—Elevated

4.6

In Telegram WebK before 2.0.0 (488), a crafted Mini Web App allows XSS via the postMessage web_app_open_link event type.

CVSS v3: 4.6
EG Score: 4.6(medium)
EPSS: 56.3%
KEV: Not listed

Published

April 29, 2024

Last Modified

April 15, 2026

References (8)

cve@mitrehttp://www.openwall.com/lists/oss-security/2024/04/30/4
cve@mitrehttps://github.com/morethanwords/tweb/commit/2153ea9878668769faac8dd5931b7e0b96a9f129/src/components/popups/webApp.ts
cve@mitrehttps://medium.com/%40pedbap/telegram-web-app-xss-session-hijacking-1-click-95acccdc8d90
cve@mitrehttps://www.openwall.com/lists/oss-security/2024/04/28/4
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/04/30/4
af854a3a-2127-422b-91ae-364da2661108https://github.com/morethanwords/tweb/commit/2153ea9878668769faac8dd5931b7e0b96a9f129/src/components/popups/webApp.ts
af854a3a-2127-422b-91ae-364da2661108https://medium.com/%40pedbap/telegram-web-app-xss-session-hijacking-1-click-95acccdc8d90
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2024/04/28/4

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 14× in last 7d / 58× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:32 UTCEPSS rescore
2026-06-23 21:32 UTCEPSS rescore
2026-06-22 14:25 UTCEPSS rescore
2026-06-22 14:24 UTCEPSS rescore
2026-06-21 14:55 UTCEPSS rescore
2026-06-21 14:55 UTCEPSS rescore
2026-06-21 01:58 UTCEPSS rescore
2026-06-21 01:58 UTCEPSS rescore
2026-06-19 19:25 UTCEPSS rescore
2026-06-19 19:24 UTCEPSS rescore
2026-06-18 17:51 UTCEPSS rescore
2026-06-18 17:51 UTCEPSS rescore
2026-06-17 17:52 UTCEPSS rescore
2026-06-17 17:52 UTCEPSS rescore
2026-06-16 17:52 UTCEPSS rescore
2026-06-16 17:51 UTCEPSS rescore
2026-06-15 17:47 UTCEPSS rescore
2026-06-14 23:16 UTCEPSS rescore
2026-06-13 22:59 UTCEPSS rescore
2026-06-13 22:59 UTCEPSS rescore
2026-06-12 23:11 UTCEPSS rescore
2026-06-12 23:11 UTCEPSS rescore
2026-06-11 13:59 UTCEPSS rescore
2026-06-10 22:17 UTCEPSS rescore
2026-06-10 13:21 UTCEPSS rescore

Show 55 more

2026-06-10 13:21 UTCEPSS rescore
2026-06-08 14:16 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-07 15:24 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 22:46 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-02 20:12 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-06-01 13:51 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 22:30 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:43 UTCEPSS rescore
2026-05-29 13:43 UTCEPSS rescore
2026-05-28 13:44 UTCEPSS rescore
2026-05-28 13:44 UTCEPSS rescore
2026-05-28 13:44 UTCEPSS rescore
2026-05-27 13:40 UTCEPSS rescore
2026-05-27 13:40 UTCEPSS rescore
2026-05-26 13:43 UTCEPSS rescore
2026-05-26 13:43 UTCEPSS rescore
2026-05-26 07:18 UTCEPSS rescore
2026-05-26 07:18 UTCEPSS rescore
2026-05-22 21:16 UTCEPSS rescore
2026-05-22 21:16 UTCEPSS rescore
2026-05-22 21:16 UTCEPSS rescore
2026-05-22 21:16 UTCEPSS rescore
2026-05-22 02:40 UTCEG score recompute
2026-05-22 02:40 UTCGHSA enrichment
2026-05-21 22:42 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore
2026-05-20 22:37 UTCEPSS rescore
2026-05-20 11:21 UTCEPSS rescore
2026-05-20 11:21 UTCEPSS rescore
2026-05-20 11:21 UTCEPSS rescore
2026-05-20 11:21 UTCEPSS rescore
2026-05-20 11:21 UTCEPSS rescore
2026-05-18 21:30 UTCEPSS rescore
2026-05-18 21:30 UTCEPSS rescore
2026-05-18 21:30 UTCEPSS rescore
2026-05-18 21:30 UTCEPSS rescore
2026-05-18 21:30 UTCEPSS rescore

Frequently asked(5)

What is CVE-2024-33905?

CVE-2024-33905 is a medium vulnerability published on April 29, 2024. In Telegram WebK before 2.0.0 (488), a crafted Mini Web App allows XSS via the postMessage webappopen_link event type.

When was CVE-2024-33905 disclosed?

CVE-2024-33905 was first published in the National Vulnerability Database on April 29, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-33905 actively exploited?

CVE-2024-33905 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 56.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-33905?

CVE-2024-33905 has a CVSS v3 base score of 4.6 (NVD).

How do I remediate CVE-2024-33905?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-33905, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2024-33905

Explore →

Is Your Infrastructure Affected by CVE-2024-33905?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2024-33905

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-33905?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)